diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 83df2f01..7a330132 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -61,7 +61,10 @@ repos:
   rev: v1.1.1
   hooks:
     - id: doc8
-      args: ["--ignore=D001"]  # ignore line length
+      # D000 Invalid class attribute value for "class" directive when using
+      #      * (keyword-only parameters separator).
+      # D001 line length
+      args: ["--ignore=D000,D001"]
       stages: [manual]
 
 - repo: https://github.com/sirosen/check-jsonschema
diff --git a/django_mongodb_backend/fields/__init__.py b/django_mongodb_backend/fields/__init__.py
index 569c19be..be95fa5e 100644
--- a/django_mongodb_backend/fields/__init__.py
+++ b/django_mongodb_backend/fields/__init__.py
@@ -2,12 +2,14 @@
 from .auto import ObjectIdAutoField
 from .duration import register_duration_field
 from .embedded_model import EmbeddedModelField
+from .embedded_model_array import EmbeddedModelArrayField
 from .json import register_json_field
 from .objectid import ObjectIdField
 
 __all__ = [
     "register_fields",
     "ArrayField",
+    "EmbeddedModelArrayField",
     "EmbeddedModelField",
     "ObjectIdAutoField",
     "ObjectIdField",
diff --git a/django_mongodb_backend/fields/embedded_model_array.py b/django_mongodb_backend/fields/embedded_model_array.py
new file mode 100644
index 00000000..1eff06a6
--- /dev/null
+++ b/django_mongodb_backend/fields/embedded_model_array.py
@@ -0,0 +1,46 @@
+from django.db.models import Field
+
+from .. import forms
+from . import EmbeddedModelField
+from .array import ArrayField
+
+
+class EmbeddedModelArrayField(ArrayField):
+    def __init__(self, embedded_model, **kwargs):
+        if "size" in kwargs:
+            raise ValueError("EmbeddedModelArrayField does not support size.")
+        super().__init__(EmbeddedModelField(embedded_model), **kwargs)
+        self.embedded_model = embedded_model
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if path == "django_mongodb_backend.fields.embedded_model_array.EmbeddedModelArrayField":
+            path = "django_mongodb_backend.fields.EmbeddedModelArrayField"
+        kwargs["embedded_model"] = self.embedded_model
+        del kwargs["base_field"]
+        return name, path, args, kwargs
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        if isinstance(value, list | tuple):
+            # Must call get_db_prep_save() rather than get_db_prep_value()
+            # to transform model instances to dicts.
+            return [self.base_field.get_db_prep_save(i, connection) for i in value]
+        if value is not None:
+            raise TypeError(
+                f"Expected list of {self.embedded_model!r} instances, not {type(value)!r}."
+            )
+        return value
+
+    def formfield(self, **kwargs):
+        # Skip ArrayField.formfield() which has some differences, including
+        # unneeded "base_field", and "max_length" instead of "max_num".
+        return Field.formfield(
+            self,
+            **{
+                "form_class": forms.EmbeddedModelArrayField,
+                "model": self.embedded_model,
+                "max_num": self.max_size,
+                "prefix": self.name,
+                **kwargs,
+            },
+        )
diff --git a/django_mongodb_backend/forms/__init__.py b/django_mongodb_backend/forms/__init__.py
index 2adc8fbe..eb15e762 100644
--- a/django_mongodb_backend/forms/__init__.py
+++ b/django_mongodb_backend/forms/__init__.py
@@ -1,4 +1,5 @@
 from .fields import (
+    EmbeddedModelArrayField,
     EmbeddedModelField,
     ObjectIdField,
     SimpleArrayField,
@@ -7,6 +8,7 @@
 )
 
 __all__ = [
+    "EmbeddedModelArrayField",
     "EmbeddedModelField",
     "SimpleArrayField",
     "SplitArrayField",
diff --git a/django_mongodb_backend/forms/fields/__init__.py b/django_mongodb_backend/forms/fields/__init__.py
index 03cc2372..214c0f80 100644
--- a/django_mongodb_backend/forms/fields/__init__.py
+++ b/django_mongodb_backend/forms/fields/__init__.py
@@ -1,8 +1,10 @@
 from .array import SimpleArrayField, SplitArrayField, SplitArrayWidget
 from .embedded_model import EmbeddedModelField
+from .embedded_model_array import EmbeddedModelArrayField
 from .objectid import ObjectIdField
 
 __all__ = [
+    "EmbeddedModelArrayField",
     "EmbeddedModelField",
     "SimpleArrayField",
     "SplitArrayField",
diff --git a/django_mongodb_backend/forms/fields/embedded_model_array.py b/django_mongodb_backend/forms/fields/embedded_model_array.py
new file mode 100644
index 00000000..aebbd7f1
--- /dev/null
+++ b/django_mongodb_backend/forms/fields/embedded_model_array.py
@@ -0,0 +1,80 @@
+from django import forms
+from django.core.exceptions import ValidationError
+from django.forms import formset_factory, model_to_dict
+from django.forms.models import modelform_factory
+from django.utils.html import format_html, format_html_join
+
+
+class EmbeddedModelArrayField(forms.Field):
+    def __init__(self, model, *, prefix, max_num=None, extra_forms=3, **kwargs):
+        self.model = model
+        self.prefix = prefix
+        self.formset = formset_factory(
+            form=modelform_factory(model, fields="__all__"),
+            can_delete=True,
+            max_num=max_num,
+            extra=extra_forms,
+            validate_max=True,
+        )
+        kwargs["widget"] = EmbeddedModelArrayWidget()
+        super().__init__(**kwargs)
+
+    def clean(self, value):
+        if not value:
+            return []
+        formset = self.formset(value, prefix=self.prefix_override or self.prefix)
+        if not formset.is_valid():
+            raise ValidationError(formset.errors + formset.non_form_errors())
+        cleaned_data = []
+        for data in formset.cleaned_data:
+            # The "delete" checkbox isn't part of model data and must be
+            # removed. The fallback to True skips empty forms.
+            if data.pop("DELETE", True):
+                continue
+            cleaned_data.append(self.model(**data))
+        return cleaned_data
+
+    def has_changed(self, initial, data):
+        formset = self.formset(data, initial=models_to_dicts(initial), prefix=self.prefix)
+        return formset.has_changed()
+
+    def get_bound_field(self, form, field_name):
+        # Nested embedded model form fields need a double prefix.
+        # HACK: Setting self.prefix_override makes it available in clean()
+        # which doesn't have access to the form.
+        self.prefix_override = f"{form.prefix}-{self.prefix}" if form.prefix else None
+        return EmbeddedModelArrayBoundField(form, self, field_name, self.prefix_override)
+
+
+class EmbeddedModelArrayBoundField(forms.BoundField):
+    def __init__(self, form, field, name, prefix_override):
+        super().__init__(form, field, name)
+        self.formset = field.formset(
+            self.data if form.is_bound else None,
+            initial=models_to_dicts(self.initial),
+            prefix=prefix_override if prefix_override else self.html_name,
+        )
+
+    def __str__(self):
+        body = format_html_join(
+            "\n", "<tbody>{}</tbody>", ((form.as_table(),) for form in self.formset)
+        )
+        return format_html("<table>\n{}\n</table>\n{}", body, self.formset.management_form)
+
+
+class EmbeddedModelArrayWidget(forms.Widget):
+    """
+    Extract the data for EmbeddedModelArrayFormField's formset.
+    This widget is never rendered.
+    """
+
+    def value_from_datadict(self, data, files, name):
+        return {field: value for field, value in data.items() if field.startswith(f"{name}-")}
+
+
+def models_to_dicts(models):
+    """
+    Convert initial data (which is a list of model instances or None) to a
+    list of dictionary data suitable for a formset.
+    """
+    return [model_to_dict(model) for model in models or []]
diff --git a/django_mongodb_backend/operations.py b/django_mongodb_backend/operations.py
index df2b824a..f03d30b3 100644
--- a/django_mongodb_backend/operations.py
+++ b/django_mongodb_backend/operations.py
@@ -111,6 +111,15 @@ def get_db_converters(self, expression):
             converters.append(self.convert_decimalfield_value)
         elif internal_type == "EmbeddedModelField":
             converters.append(self.convert_embeddedmodelfield_value)
+        elif internal_type == "EmbeddedModelArrayField":
+            converters.extend(
+                [
+                    self._get_arrayfield_converter(converter)
+                    for converter in self.get_db_converters(
+                        Expression(output_field=expression.output_field.base_field)
+                    )
+                ]
+            )
         elif internal_type == "JSONField":
             converters.append(self.convert_jsonfield_value)
         elif internal_type == "TimeField":
diff --git a/docs/make.bat b/docs/make.bat
old mode 100644
new mode 100755
diff --git a/docs/source/ref/forms.rst b/docs/source/ref/forms.rst
index 74ef26f9..72c646a7 100644
--- a/docs/source/ref/forms.rst
+++ b/docs/source/ref/forms.rst
@@ -23,6 +23,36 @@ Some MongoDB-specific fields are available in ``django_mongodb_backend.forms``.
         in this field's subform will have so that the names don't collide with
         fields in the main form.
 
+``EmbeddedModelArrayField``
+---------------------------
+
+.. class:: EmbeddedModelArrayField(model, *, prefix, max_num=None, extra_forms=3, **kwargs)
+
+    .. versionadded:: 5.2.0b1
+
+    A field which maps to a list of model instances. The field will render as a
+    :class:`ModelFormSet <django.forms.models.BaseModelFormSet>`.
+
+    .. attribute:: model
+
+        This is a required argument that specifies the model class.
+
+    .. attribute:: prefix
+
+        This is a required argument that specifies the prefix that all fields
+        in this field's formset will have so that the names don't collide with
+        fields in the main form.
+
+    .. attribute:: max_num
+
+        This is an optional argument which specifies the maximum number of
+        model instances that can be created.
+
+    .. attribute:: extra_forms
+
+        This argument specifies the number of blank forms that will be
+        rendered by the formset.
+
 ``ObjectIdField``
 -----------------
 
diff --git a/docs/source/ref/models/fields.rst b/docs/source/ref/models/fields.rst
index be9ff6dd..a4de529a 100644
--- a/docs/source/ref/models/fields.rst
+++ b/docs/source/ref/models/fields.rst
@@ -35,8 +35,8 @@ Some MongoDB-specific fields are available in ``django_mongodb_backend.fields``.
         :class:`~django.db.models.OneToOneField` and
         :class:`~django.db.models.ManyToManyField`) and file fields (
         :class:`~django.db.models.FileField` and
-        :class:`~django.db.models.ImageField`). :class:`EmbeddedModelField` is
-        also not (yet) supported.
+        :class:`~django.db.models.ImageField`). For
+        :class:`EmbeddedModelField`, use :class:`EmbeddedModelArrayField`.
 
         It is possible to nest array fields - you can specify an instance of
         ``ArrayField`` as the ``base_field``. For example::
@@ -256,7 +256,8 @@ These indexes use 0-based indexing.
             class Book(models.Model):
                 author = EmbeddedModelField(Author)
 
-    See :doc:`/topics/embedded-models` for more details and examples.
+    See :ref:`the embedded model topic guide <embedded-model-field-example>`
+    for more details and examples.
 
 .. admonition:: Migrations support is limited
 
@@ -268,6 +269,36 @@ These indexes use 0-based indexing.
     created these models and then added an indexed field to ``Address``,
     the index created in the nested ``Book`` embed is not created.
 
+``EmbeddedModelArrayField``
+---------------------------
+
+.. class:: EmbeddedModelArrayField(embedded_model, max_size=None, **kwargs)
+
+    .. versionadded:: 5.2.0b1
+
+    Similar to :class:`EmbeddedModelField`, but stores a **list** of models of
+    type ``embedded_model`` rather than a single instance.
+
+    .. attribute:: embedded_model
+
+        This is a required argument that works just like
+        :attr:`EmbeddedModelField.embedded_model`.
+
+    .. attribute:: max_size
+
+        This is an optional argument.
+
+        If passed, the list will have a maximum size as specified, validated
+        by forms and model validation, but not enforced by the database.
+
+    See :ref:`the embedded model topic guide
+    <embedded-model-array-field-example>` for more details and examples.
+
+.. admonition:: Migrations support is limited
+
+    As described above for :class:`EmbeddedModelField`,
+    :djadmin:`makemigrations` does not yet detect changes to embedded models.
+
 ``ObjectIdAutoField``
 ---------------------
 
diff --git a/docs/source/releases/5.2.x.rst b/docs/source/releases/5.2.x.rst
index db3bf67e..638e8e6a 100644
--- a/docs/source/releases/5.2.x.rst
+++ b/docs/source/releases/5.2.x.rst
@@ -7,6 +7,12 @@ Django MongoDB Backend 5.2.x
 
 *Unreleased*
 
+New features
+------------
+
+- Added :class:`~.fields.EmbeddedModelArrayField` for storing a list of model
+  instances.
+
 Bug fixes
 ---------
 
diff --git a/docs/source/topics/embedded-models.rst b/docs/source/topics/embedded-models.rst
index 94abecfd..8df9babc 100644
--- a/docs/source/topics/embedded-models.rst
+++ b/docs/source/topics/embedded-models.rst
@@ -1,12 +1,18 @@
 Embedded models
 ===============
 
-Use :class:`~django_mongodb_backend.fields.EmbeddedModelField` to structure
+Use :class:`~django_mongodb_backend.fields.EmbeddedModelField` and
+:class:`~django_mongodb_backend.fields.EmbeddedModelArrayField` to structure
 your data using `embedded documents
 <https://www.mongodb.com/docs/manual/data-modeling/#embedded-data>`_.
 
+.. _embedded-model-field-example:
+
+``EmbeddedModelField``
+----------------------
+
 The basics
-----------
+~~~~~~~~~~
 
 Let's consider this example::
 
@@ -47,10 +53,62 @@ Represented in BSON, Bob's structure looks like this:
    }
 
 Querying ``EmbeddedModelField``
--------------------------------
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 You can query into an embedded model using the same double underscore syntax
 as relational fields. For example, to retrieve all customers who have an
 address with the city "New York"::
 
     >>> Customer.objects.filter(address__city="New York")
+
+.. _embedded-model-array-field-example:
+
+``EmbeddedModelArrayField``
+---------------------------
+
+The basics
+~~~~~~~~~~
+
+Let's consider this example::
+
+    from django.db import models
+
+    from django_mongodb_backend.fields import EmbeddedModelArrayField
+    from django_mongodb_backend.models import EmbeddedModel
+
+
+    class Post(models.Model):
+        name = models.CharField(max_length=200)
+        tags = EmbeddedModelArrayField("Tag")
+
+        def __str__(self):
+            return self.name
+
+
+    class Tag(EmbeddedModel):
+        name = models.CharField(max_length=100)
+
+        def __str__(self):
+            return self.name
+
+
+The API is similar to that of Django's relational fields::
+
+    >>> post = Post.objects.create(
+    ...     name="Hello world!",
+    ...     tags=[Tag(name="welcome"), Tag(name="test")],
+    ... )
+    >>> post.tags
+    [<Tag: welcome>, <Tag: test>]
+    >>> post.tags[0].name
+    'welcome'
+
+Represented in BSON, the post's structure looks like this:
+
+.. code-block:: js
+
+    {
+      _id: ObjectId('683dee4c6b79670044c38e3f'),
+      name: 'Hello world!',
+      tags: [ { name: 'welcome' }, { name: 'test' } ]
+    }
diff --git a/tests/model_fields_/models.py b/tests/model_fields_/models.py
index 9a4efc89..3cf074a2 100644
--- a/tests/model_fields_/models.py
+++ b/tests/model_fields_/models.py
@@ -2,7 +2,12 @@
 
 from django.db import models
 
-from django_mongodb_backend.fields import ArrayField, EmbeddedModelField, ObjectIdField
+from django_mongodb_backend.fields import (
+    ArrayField,
+    EmbeddedModelArrayField,
+    EmbeddedModelField,
+    ObjectIdField,
+)
 from django_mongodb_backend.models import EmbeddedModel
 
 
@@ -143,3 +148,20 @@ class Library(models.Model):
 
     def __str__(self):
         return self.name
+
+
+# EmbeddedModelArrayField
+class Review(EmbeddedModel):
+    title = models.CharField(max_length=255)
+    rating = models.DecimalField(max_digits=6, decimal_places=1)
+
+    def __str__(self):
+        return self.title
+
+
+class Movie(models.Model):
+    title = models.CharField(max_length=255)
+    reviews = EmbeddedModelArrayField(Review, null=True)
+
+    def __str__(self):
+        return self.title
diff --git a/tests/model_fields_/test_embedded_model_array.py b/tests/model_fields_/test_embedded_model_array.py
new file mode 100644
index 00000000..892d2e18
--- /dev/null
+++ b/tests/model_fields_/test_embedded_model_array.py
@@ -0,0 +1,95 @@
+from django.db import models
+from django.test import SimpleTestCase, TestCase
+from django.test.utils import isolate_apps
+
+from django_mongodb_backend.fields import EmbeddedModelArrayField
+from django_mongodb_backend.models import EmbeddedModel
+
+from .models import Movie, Review
+
+
+class MethodTests(SimpleTestCase):
+    def test_deconstruct(self):
+        field = EmbeddedModelArrayField("Data", null=True)
+        name, path, args, kwargs = field.deconstruct()
+        self.assertEqual(path, "django_mongodb_backend.fields.EmbeddedModelArrayField")
+        self.assertEqual(args, [])
+        self.assertEqual(kwargs, {"embedded_model": "Data", "null": True})
+
+    def test_size_not_supported(self):
+        msg = "EmbeddedModelArrayField does not support size."
+        with self.assertRaisesMessage(ValueError, msg):
+            EmbeddedModelArrayField("Data", size=1)
+
+    def test_get_db_prep_save_invalid(self):
+        msg = "Expected list of <class 'model_fields_.models.Review'> instances, not <class 'int'>."
+        with self.assertRaisesMessage(TypeError, msg):
+            Movie(reviews=42).save()
+
+    def test_get_db_prep_save_invalid_list(self):
+        msg = "Expected instance of type <class 'model_fields_.models.Review'>, not <class 'int'>."
+        with self.assertRaisesMessage(TypeError, msg):
+            Movie(reviews=[42]).save()
+
+
+class ModelTests(TestCase):
+    def test_save_load(self):
+        reviews = [
+            Review(title="The best", rating=10),
+            Review(title="Mediocre", rating=5),
+            Review(title="Horrible", rating=1),
+        ]
+        Movie.objects.create(title="Lion King", reviews=reviews)
+        movie = Movie.objects.get(title="Lion King")
+        self.assertEqual(movie.reviews[0].title, "The best")
+        self.assertEqual(movie.reviews[0].rating, 10)
+        self.assertEqual(movie.reviews[1].title, "Mediocre")
+        self.assertEqual(movie.reviews[1].rating, 5)
+        self.assertEqual(movie.reviews[2].title, "Horrible")
+        self.assertEqual(movie.reviews[2].rating, 1)
+        self.assertEqual(len(movie.reviews), 3)
+
+    def test_save_load_null(self):
+        movie = Movie.objects.create(title="Lion King")
+        movie = Movie.objects.get(title="Lion King")
+        self.assertIsNone(movie.reviews)
+
+
+@isolate_apps("model_fields_")
+class CheckTests(SimpleTestCase):
+    def test_no_relational_fields(self):
+        class Target(EmbeddedModel):
+            key = models.ForeignKey("MyModel", models.CASCADE)
+
+        class MyModel(models.Model):
+            field = EmbeddedModelArrayField(Target)
+
+        errors = MyModel().check()
+        self.assertEqual(len(errors), 1)
+        self.assertEqual(errors[0].id, "django_mongodb_backend.array.E001")
+        msg = errors[0].msg
+        self.assertEqual(
+            msg,
+            "Base field for array has errors:\n    "
+            "Embedded models cannot have relational fields (Target.key is a ForeignKey). "
+            "(django_mongodb_backend.embedded_model.E001)",
+        )
+
+    def test_embedded_model_subclass(self):
+        class Target(models.Model):
+            pass
+
+        class MyModel(models.Model):
+            field = EmbeddedModelArrayField(Target)
+
+        errors = MyModel().check()
+        self.assertEqual(len(errors), 1)
+        self.assertEqual(errors[0].id, "django_mongodb_backend.array.E001")
+        msg = errors[0].msg
+        self.assertEqual(
+            msg,
+            "Base field for array has errors:\n    "
+            "Embedded models must be a subclass of "
+            "django_mongodb_backend.models.EmbeddedModel. "
+            "(django_mongodb_backend.embedded_model.E002)",
+        )
diff --git a/tests/model_forms_/forms.py b/tests/model_forms_/forms.py
index 1ac7b92a..ff5eb413 100644
--- a/tests/model_forms_/forms.py
+++ b/tests/model_forms_/forms.py
@@ -1,6 +1,6 @@
 from django import forms
 
-from .models import Author, Book
+from .models import Author, Book, Movie, Store
 
 
 class AuthorForm(forms.ModelForm):
@@ -13,3 +13,15 @@ class BookForm(forms.ModelForm):
     class Meta:
         fields = "__all__"
         model = Book
+
+
+class MovieForm(forms.ModelForm):
+    class Meta:
+        fields = "__all__"
+        model = Movie
+
+
+class StoreForm(forms.ModelForm):
+    class Meta:
+        fields = "__all__"
+        model = Store
diff --git a/tests/model_forms_/models.py b/tests/model_forms_/models.py
index 4e7cd0d6..8a1dfe14 100644
--- a/tests/model_forms_/models.py
+++ b/tests/model_forms_/models.py
@@ -1,6 +1,6 @@
 from django.db import models
 
-from django_mongodb_backend.fields import EmbeddedModelField
+from django_mongodb_backend.fields import EmbeddedModelArrayField, EmbeddedModelField
 from django_mongodb_backend.models import EmbeddedModel
 
 
@@ -26,3 +26,31 @@ class Publisher(EmbeddedModel):
 class Book(models.Model):
     title = models.CharField(max_length=50)
     publisher = EmbeddedModelField(Publisher)
+
+
+# EmbeddedModelArrayField
+class Review(EmbeddedModel):
+    title = models.CharField(max_length=255)
+    rating = models.IntegerField()
+
+    def __str__(self):
+        return self.title
+
+
+class Movie(models.Model):
+    title = models.CharField(max_length=255)
+    reviews = EmbeddedModelArrayField(Review)
+    featured_reviews = EmbeddedModelArrayField(Review, null=True, blank=True, max_size=2)
+
+    def __str__(self):
+        return self.title
+
+
+class Product(EmbeddedModel):
+    name = models.CharField(max_length=255)
+    reviews = EmbeddedModelArrayField(Review)
+
+
+class Store(models.Model):
+    name = models.CharField(max_length=255)
+    products = EmbeddedModelArrayField(Product)
diff --git a/tests/model_forms_/test_embedded_model_array.py b/tests/model_forms_/test_embedded_model_array.py
new file mode 100644
index 00000000..0654f4ae
--- /dev/null
+++ b/tests/model_forms_/test_embedded_model_array.py
@@ -0,0 +1,1240 @@
+from django.test import TestCase
+
+from django_mongodb_backend.forms import EmbeddedModelArrayField
+
+from .forms import MovieForm, StoreForm
+from .models import Movie, Product, Review, Store
+
+
+class ModelFormTests(TestCase):
+    def test_add_another(self):
+        movie = Movie.objects.create(
+            title="Lion King",
+            reviews=[Review(title="Great!", rating=10)],
+        )
+        data = {
+            "title": "Lion King",
+            "reviews-0-title": "Great!",
+            "reviews-0-rating": "10",
+            "reviews-1-title": "Not so great",
+            "reviews-1-rating": "1",
+            "reviews-TOTAL_FORMS": 2,
+            "reviews-INITIAL_FORMS": 1,
+        }
+        form = MovieForm(data, instance=movie)
+        self.assertTrue(form.is_valid())
+        form.save()
+        self.assertEqual(form.changed_data, ["reviews"])
+        movie.refresh_from_db()
+        self.assertEqual(len(movie.reviews), 2)
+        review = movie.reviews[0]
+        self.assertEqual(review.title, "Great!")
+        self.assertEqual(review.rating, 10)
+        review = movie.reviews[1]
+        self.assertEqual(review.title, "Not so great")
+        self.assertEqual(review.rating, 1)
+
+    def test_no_change(self):
+        movie = Movie.objects.create(
+            title="Lion King",
+            reviews=[Review(title="Great!", rating=10)],
+        )
+        data = {
+            "title": "Lion King",
+            "reviews-0-title": "Great!",
+            "reviews-0-rating": "10",
+            "reviews-TOTAL_FORMS": 2,
+            "reviews-INITIAL_FORMS": 1,
+        }
+        form = MovieForm(data, instance=movie)
+        self.assertTrue(form.is_valid())
+        form.save()
+        self.assertEqual(form.changed_data, [])
+        movie.refresh_from_db()
+        self.assertEqual(len(movie.reviews), 1)
+        review = movie.reviews[0]
+        self.assertEqual(review.title, "Great!")
+        self.assertEqual(review.rating, 10)
+
+    def test_update(self):
+        movie = Movie.objects.create(
+            title="Lion King",
+            reviews=[Review(title="Great!", rating=10)],
+        )
+        data = {
+            "title": "Lion King",
+            "reviews-0-title": "Not so great",
+            "reviews-0-rating": "1",
+            "reviews-TOTAL_FORMS": 2,
+            "reviews-INITIAL_FORMS": 1,
+        }
+        form = MovieForm(data, instance=movie)
+        self.assertTrue(form.is_valid())
+        form.save()
+        self.assertEqual(form.changed_data, ["reviews"])
+        movie.refresh_from_db()
+        self.assertEqual(len(movie.reviews), 1)
+        review = movie.reviews[0]
+        self.assertEqual(review.title, "Not so great")
+        self.assertEqual(review.rating, 1)
+
+    def test_some_missing_data(self):
+        movie = Movie.objects.create(
+            title="Lion King",
+            reviews=[Review(title="Great!", rating=10)],
+        )
+        data = {
+            "title": "Lion King",
+            "reviews-0-title": "",
+            "reviews-0-rating": "1",
+            "reviews-TOTAL_FORMS": 2,
+            "reviews-INITIAL_FORMS": 1,
+        }
+        form = MovieForm(data, instance=movie)
+        self.assertFalse(form.is_valid())
+        self.assertEqual(form.errors["reviews"], ["This field is required."])
+
+    def test_invalid_field_data(self):
+        """A field's data (rating) is invalid."""
+        movie = Movie.objects.create(
+            title="Lion King",
+            reviews=[Review(title="Great!", rating=10)],
+        )
+        data = {
+            "title": "Lion King",
+            "reviews-0-title": "Great!",
+            "reviews-0-rating": "not a number",
+            "reviews-TOTAL_FORMS": 2,
+            "reviews-INITIAL_FORMS": 1,
+        }
+        form = MovieForm(data, instance=movie)
+        self.assertFalse(form.is_valid())
+        self.assertEqual(
+            form.errors["reviews"],
+            ["Enter a whole number."],
+        )
+
+    def test_all_missing_data(self):
+        movie = Movie.objects.create(
+            title="Lion King",
+            reviews=[Review(title="Great!", rating=10)],
+        )
+        data = {
+            "title": "Lion King",
+            "reviews-0-title": "",
+            "reviews-0-rating": "",
+            "reviews-TOTAL_FORMS": 2,
+            "reviews-INITIAL_FORMS": 1,
+        }
+        form = MovieForm(data, instance=movie)
+        self.assertFalse(form.is_valid())
+        self.assertEqual(
+            form.errors["reviews"], ["This field is required.", "This field is required."]
+        )
+
+    def test_delete(self):
+        movie = Movie.objects.create(
+            title="Lion King",
+            reviews=[Review(title="Great!", rating=10), Review(title="Okay", rating=5)],
+        )
+        data = {
+            "title": "Lion King",
+            "reviews-0-title": "Not so great",
+            "reviews-0-rating": "1",
+            "reviews-0-DELETE": "1",
+            "reviews-1-title": "Okay",
+            "reviews-1-rating": "5",
+            "reviews-1-DELETE": "",
+            "reviews-TOTAL_FORMS": 3,
+            "reviews-INITIAL_FORMS": 2,
+        }
+        form = MovieForm(data, instance=movie)
+        self.assertTrue(form.is_valid())
+        form.save()
+        movie.refresh_from_db()
+        self.assertEqual(len(movie.reviews), 1)
+        review = movie.reviews[0]
+        self.assertEqual(review.title, "Okay")
+        self.assertEqual(review.rating, 5)
+
+    def test_delete_required(self):
+        movie = Movie.objects.create(
+            title="Lion King",
+            reviews=[Review(title="Great!", rating=10)],
+        )
+        data = {
+            "title": "Lion King",
+            "reviews-0-title": "Not so great",
+            "reviews-0-rating": "1",
+            "reviews-0-DELETE": "1",
+            "reviews-TOTAL_FORMS": 2,
+            "reviews-INITIAL_FORMS": 1,
+        }
+        form = MovieForm(data, instance=movie)
+        self.assertFalse(form.is_valid())
+        self.assertEqual(form.errors["reviews"], ["This field cannot be blank."])
+
+    def test_max_size(self):
+        """
+        Submitting more than the allowed number of items (three featured
+        reviews for max_size=2) is prohibited.
+        """
+        movie = Movie.objects.create(
+            title="Lion King",
+            reviews=[Review(title="Great!", rating=10)],
+            featured_reviews=[Review(title="Okay", rating=5)],
+        )
+        data = {
+            "title": "Lion King",
+            "reviews-0-title": "Not so great",
+            "reviews-0-rating": "1",
+            "reviews-0-DELETE": "",
+            "reviews-TOTAL_FORMS": 2,
+            "reviews-INITIAL_FORMS": 1,
+            "featured_reviews-0-title": "Okay",
+            "featured_reviews-0-rating": "5",
+            "featured_reviews-1-title": "Okay",
+            "featured_reviews-1-rating": "5",
+            "featured_reviews-2-title": "Okay",
+            "featured_reviews-2-rating": "5",
+            "featured_reviews-TOTAL_FORMS": 3,
+            "featured_reviews-INITIAL_FORMS": 0,
+        }
+        form = MovieForm(data, instance=movie)
+        self.assertFalse(form.is_valid())
+        self.assertEqual(form.errors["featured_reviews"], ["Please submit at most 2 forms."])
+
+    def test_nullable_field(self):
+        """A nullable field is emptied if all rows are deleted."""
+        movie = Movie.objects.create(
+            title="Lion King",
+            reviews=[Review(title="Great!", rating=10)],
+            featured_reviews=[Review(title="Okay", rating=5)],
+        )
+        data = {
+            "title": "Lion King",
+            "reviews-0-title": "Not so great",
+            "reviews-0-rating": "1",
+            "reviews-0-DELETE": "",
+            "reviews-TOTAL_FORMS": 2,
+            "reviews-INITIAL_FORMS": 1,
+            "featured_reviews-0-title": "Okay",
+            "featured_reviews-0-rating": "5",
+            "featured_reviews-0-DELETE": "1",
+            "featured_reviews-TOTAL_FORMS": 2,
+            "featured_reviews-INITIAL_FORMS": 1,
+        }
+        form = MovieForm(data, instance=movie)
+        self.assertTrue(form.is_valid())
+        form.save()
+        movie.refresh_from_db()
+        self.assertEqual(len(movie.featured_reviews), 0)
+
+    def test_rendering(self):
+        form = MovieForm()
+        self.assertHTMLEqual(
+            str(form.fields["reviews"].get_bound_field(form, "reviews").label_tag()),
+            '<label for="id_reviews">Reviews:</label>',
+        )
+        self.assertHTMLEqual(
+            str(form.fields["reviews"].get_bound_field(form, "reviews")),
+            """
+<table>
+<tbody>
+  <tr>
+    <th><label for="id_reviews-0-title">Title:</label></th>
+    <td>
+      <input type="text" name="reviews-0-title" maxlength="255" id="id_reviews-0-title">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-0-rating">Rating:</label></th>
+    <td>
+      <input type="number" name="reviews-0-rating" id="id_reviews-0-rating">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-0-DELETE">Delete:</label></th>
+    <td>
+      <input type="checkbox" name="reviews-0-DELETE" id="id_reviews-0-DELETE">
+    </td>
+  </tr>
+</tbody>
+<tbody>
+  <tr>
+    <th><label for="id_reviews-1-title">Title:</label></th>
+    <td>
+      <input type="text" name="reviews-1-title" maxlength="255" id="id_reviews-1-title">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-1-rating">Rating:</label></th>
+    <td>
+      <input type="number" name="reviews-1-rating" id="id_reviews-1-rating">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-1-DELETE">Delete:</label></th>
+    <td>
+      <input type="checkbox" name="reviews-1-DELETE" id="id_reviews-1-DELETE">
+    </td>
+  </tr>
+</tbody>
+<tbody>
+  <tr>
+    <th><label for="id_reviews-2-title">Title:</label></th>
+    <td>
+      <input type="text" name="reviews-2-title" maxlength="255" id="id_reviews-2-title">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-2-rating">Rating:</label></th>
+    <td>
+      <input type="number" name="reviews-2-rating" id="id_reviews-2-rating">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-2-DELETE">Delete:</label></th>
+    <td>
+      <input type="checkbox" name="reviews-2-DELETE" id="id_reviews-2-DELETE">
+    </td>
+  </tr>
+</tbody>
+</table>
+<input type="hidden" name="reviews-TOTAL_FORMS" value="3"
+    id="id_reviews-TOTAL_FORMS"><input type="hidden"
+    name="reviews-INITIAL_FORMS" value="0"
+    id="id_reviews-INITIAL_FORMS">
+<input type="hidden" name="reviews-MIN_NUM_FORMS" value="0"
+    id="id_reviews-MIN_NUM_FORMS"><input type="hidden"
+    name="reviews-MAX_NUM_FORMS" value="1000" id="id_reviews-MAX_NUM_FORMS">""",
+        )
+
+    def test_rendering_initial(self):
+        movie = Movie.objects.create(
+            title="Lion King",
+            reviews=[Review(title="Great!", rating=10)],
+        )
+        form = MovieForm(instance=movie)
+        self.assertHTMLEqual(
+            str(form.fields["reviews"].get_bound_field(form, "reviews")),
+            """
+<table>
+<tbody>
+  <tr>
+    <th><label for="id_reviews-0-title">Title:</label></th>
+    <td>
+      <input type="text" name="reviews-0-title" maxlength="255"
+        id="id_reviews-0-title" value="Great!">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-0-rating">Rating:</label></th>
+    <td>
+      <input type="number" name="reviews-0-rating"
+        id="id_reviews-0-rating" value="10">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-0-DELETE">Delete:</label></th>
+    <td>
+      <input type="checkbox" name="reviews-0-DELETE" id="id_reviews-0-DELETE">
+    </td>
+  </tr>
+</tbody>
+<tbody>
+  <tr>
+    <th><label for="id_reviews-1-title">Title:</label></th>
+    <td>
+      <input type="text" name="reviews-1-title" maxlength="255" id="id_reviews-1-title">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-1-rating">Rating:</label></th>
+    <td>
+      <input type="number" name="reviews-1-rating" id="id_reviews-1-rating">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-1-DELETE">Delete:</label></th>
+    <td>
+      <input type="checkbox" name="reviews-1-DELETE" id="id_reviews-1-DELETE">
+    </td>
+  </tr>
+</tbody>
+<tbody>
+  <tr>
+    <th><label for="id_reviews-2-title">Title:</label></th>
+    <td>
+      <input type="text" name="reviews-2-title" maxlength="255" id="id_reviews-2-title">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-2-rating">Rating:</label></th>
+    <td>
+      <input type="number" name="reviews-2-rating" id="id_reviews-2-rating">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-2-DELETE">Delete:</label></th>
+    <td>
+      <input type="checkbox" name="reviews-2-DELETE" id="id_reviews-2-DELETE">
+    </td>
+  </tr>
+</tbody>
+<tbody>
+  <tr>
+    <th><label for="id_reviews-3-title">Title:</label></th>
+    <td>
+      <input type="text" name="reviews-3-title" maxlength="255" id="id_reviews-3-title">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-3-rating">Rating:</label></th>
+    <td>
+      <input type="number" name="reviews-3-rating" id="id_reviews-3-rating">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-3-DELETE">Delete:</label></th>
+    <td>
+      <input type="checkbox" name="reviews-3-DELETE" id="id_reviews-3-DELETE">
+    </td>
+  </tr>
+</tbody>
+</table>
+<input type="hidden" name="reviews-TOTAL_FORMS" value="4"
+    id="id_reviews-TOTAL_FORMS"><input type="hidden"
+    name="reviews-INITIAL_FORMS" value="1"
+    id="id_reviews-INITIAL_FORMS">
+<input type="hidden" name="reviews-MIN_NUM_FORMS" value="0"
+    id="id_reviews-MIN_NUM_FORMS"><input type="hidden"
+    name="reviews-MAX_NUM_FORMS" value="1000" id="id_reviews-MAX_NUM_FORMS">""",
+        )
+
+    def test_extra_forms(self):
+        """The extra_forms argument specifies the number of extra forms."""
+
+        class ExtraMovieForm(MovieForm):
+            reviews = EmbeddedModelArrayField(Review, prefix="reviews", extra_forms=2)
+
+        form = ExtraMovieForm()
+        self.assertHTMLEqual(
+            str(form.fields["reviews"].get_bound_field(form, "reviews")),
+            """
+<table>
+<tbody>
+  <tr>
+    <th><label for="id_reviews-0-title">Title:</label></th>
+    <td>
+      <input type="text" name="reviews-0-title" maxlength="255"
+        id="id_reviews-0-title">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-0-rating">Rating:</label></th>
+    <td>
+      <input type="number" name="reviews-0-rating" id="id_reviews-0-rating">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-0-DELETE">Delete:</label></th>
+    <td>
+      <input type="checkbox" name="reviews-0-DELETE" id="id_reviews-0-DELETE">
+    </td>
+  </tr>
+</tbody>
+<tbody>
+  <tr>
+    <th><label for="id_reviews-1-title">Title:</label></th>
+    <td>
+      <input type="text" name="reviews-1-title" maxlength="255" id="id_reviews-1-title">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-1-rating">Rating:</label></th>
+    <td>
+      <input type="number" name="reviews-1-rating" id="id_reviews-1-rating">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_reviews-1-DELETE">Delete:</label></th>
+    <td>
+      <input type="checkbox" name="reviews-1-DELETE" id="id_reviews-1-DELETE">
+    </td>
+  </tr>
+</tbody>
+</table>
+<input type="hidden" name="reviews-TOTAL_FORMS" value="2"
+    id="id_reviews-TOTAL_FORMS"><input type="hidden"
+    name="reviews-INITIAL_FORMS" value="0"
+    id="id_reviews-INITIAL_FORMS">
+<input type="hidden" name="reviews-MIN_NUM_FORMS" value="0"
+    id="id_reviews-MIN_NUM_FORMS"><input type="hidden"
+    name="reviews-MAX_NUM_FORMS" value="1000" id="id_reviews-MAX_NUM_FORMS">""",
+        )
+
+
+class NestedFormTests(TestCase):
+    def test_update(self):
+        store = Store.objects.create(
+            name="Best Buy",
+            products=[Product(name="TV", reviews=[Review(title="Great", rating=9)])],
+        )
+        data = {
+            "name": "Best Buy!",
+            "products-0-name": "TV!",
+            "products-0-reviews-0-title": "Great!",
+            "products-0-reviews-0-rating": "9",
+            "products-TOTAL_FORMS": 3,
+            "products-INITIAL_FORMS": 1,
+            "products-0-reviews-TOTAL_FORMS": 3,
+            "products-0-reviews-INITIAL_FORMS": 1,
+        }
+        form = StoreForm(data, instance=store)
+        self.assertTrue(form.is_valid())
+        form.save()
+        store.refresh_from_db()
+        self.assertEqual(store.name, "Best Buy!")
+        self.assertEqual(store.products[0].name, "TV!")
+        self.assertEqual(store.products[0].reviews[0].title, "Great!")
+
+    def test_delete(self):
+        """The "Bad" review is deleted."""
+        store = Store.objects.create(
+            name="Best Buy",
+            products=[
+                Product(
+                    name="TV",
+                    reviews=[
+                        Review(title="Great", rating=9),
+                        Review(title="Bad", rating=1),
+                    ],
+                )
+            ],
+        )
+        data = {
+            "name": "Best Buy",
+            "products-0-name": "TV",
+            "products-0-reviews-0-title": "Great",
+            "products-0-reviews-0-rating": "9",
+            "products-0-reviews-1-title": "Bad",
+            "products-0-reviews-1-rating": "1",
+            "products-0-reviews-1-DELETE": "1",
+            "products-TOTAL_FORMS": 3,
+            "products-INITIAL_FORMS": 1,
+            "products-0-reviews-TOTAL_FORMS": 3,
+            "products-0-reviews-INITIAL_FORMS": 2,
+        }
+        form = StoreForm(data, instance=store)
+        self.assertTrue(form.is_valid())
+        form.save()
+        store.refresh_from_db()
+        self.assertEqual(len(store.products[0].reviews), 1)
+        self.assertEqual(store.products[0].reviews[0].title, "Great")
+
+    def test_some_missing_data(self):
+        """A required field (Review.title) is missing."""
+        store = Store.objects.create(
+            name="Best Buy",
+            products=[Product(name="TV", reviews=[Review(title="Great", rating=9)])],
+        )
+        data = {
+            "name": "Best Buy!",
+            "products-0-name": "TV!",
+            "products-0-reviews-0-title": "",
+            "products-0-reviews-0-rating": "9",
+            "products-TOTAL_FORMS": 3,
+            "products-INITIAL_FORMS": 1,
+            "products-0-reviews-TOTAL_FORMS": 3,
+            "products-0-reviews-INITIAL_FORMS": 1,
+            "products-1-reviews-TOTAL_FORMS": 3,
+            "products-1-reviews-INITIAL_FORMS": 0,
+            "products-2-reviews-TOTAL_FORMS": 3,
+            "products-2-reviews-INITIAL_FORMS": 0,
+        }
+        form = StoreForm(data, instance=store)
+        self.assertFalse(form.is_valid())
+        self.assertEqual(form.errors["products"], ["This field is required."])
+        self.assertHTMLEqual(
+            str(form),
+            """
+<div>
+  <label for="id_name">Name:</label>
+  <input type="text" name="name" value="Best Buy!" maxlength="255" required id="id_name">
+</div>
+<div>
+  <label for="id_products">Products:</label>
+  <ul class="errorlist" id="id_products_error">
+    <li>This field is required.</li>
+  </ul>
+  <table>
+    <tbody>
+      <tr>
+        <th><label for="id_products-0-name">Name:</label></th>
+        <td>
+          <input type="text" name="products-0-name" value="TV!" maxlength="255"
+           id="id_products-0-name">
+        </td>
+      </tr>
+      <tr>
+        <th><label for="id_products-0-reviews">Reviews:</label></th>
+        <td>
+          <ul class="errorlist" id="id_products-0-reviews_error">
+            <li>This field is required.</li>
+          </ul>
+          <table>
+            <tbody>
+              <tr>
+                <th><label for="id_products-0-reviews-0-title">Title:</label></th>
+                <td>
+                  <ul class="errorlist" id="id_products-0-reviews-0-title_error">
+                    <li>This field is required.</li>
+                  </ul>
+                  <input type="text" name="products-0-reviews-0-title" maxlength="255"
+                   aria-invalid="true" aria-describedby="id_products-0-reviews-0-title_error"
+                   id="id_products-0-reviews-0-title">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-0-reviews-0-rating">Rating:</label></th>
+                <td>
+                  <input type="number" name="products-0-reviews-0-rating" value="9"
+                   id="id_products-0-reviews-0-rating">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-0-reviews-0-DELETE">Delete:</label></th>
+                <td>
+                  <input type="checkbox" name="products-0-reviews-0-DELETE"
+                   id="id_products-0-reviews-0-DELETE">
+                </td>
+              </tr>
+            </tbody>
+            <tbody>
+              <tr>
+                <th><label for="id_products-0-reviews-1-title">Title:</label></th>
+                <td>
+                  <input type="text" name="products-0-reviews-1-title" maxlength="255"
+                   id="id_products-0-reviews-1-title">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-0-reviews-1-rating">Rating:</label></th>
+                <td>
+                  <input type="number" name="products-0-reviews-1-rating"
+                   id="id_products-0-reviews-1-rating">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-0-reviews-1-DELETE">Delete:</label></th>
+                <td>
+                  <input type="checkbox" name="products-0-reviews-1-DELETE"
+                   id="id_products-0-reviews-1-DELETE">
+                </td>
+              </tr>
+            </tbody>
+            <tbody>
+              <tr>
+                <th><label for="id_products-0-reviews-2-title">Title:</label></th>
+                <td>
+                  <input type="text" name="products-0-reviews-2-title" maxlength="255"
+                   id="id_products-0-reviews-2-title">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-0-reviews-2-rating">Rating:</label></th>
+                <td>
+                  <input type="number" name="products-0-reviews-2-rating"
+                   id="id_products-0-reviews-2-rating">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-0-reviews-2-DELETE">Delete:</label></th>
+                <td>
+                  <input type="checkbox" name="products-0-reviews-2-DELETE"
+                   id="id_products-0-reviews-2-DELETE">
+                </td>
+              </tr>
+            </tbody>
+          </table>
+          <input type="hidden" name="products-0-reviews-TOTAL_FORMS" value="3"
+           id="id_products-0-reviews-TOTAL_FORMS">
+          <input type="hidden" name="products-0-reviews-INITIAL_FORMS" value="1"
+            id="id_products-0-reviews-INITIAL_FORMS">
+          <input type="hidden" name="products-0-reviews-MIN_NUM_FORMS"
+           id="id_products-0-reviews-MIN_NUM_FORMS">
+          <input type="hidden" name="products-0-reviews-MAX_NUM_FORMS"
+           id="id_products-0-reviews-MAX_NUM_FORMS">
+        </td>
+      </tr>
+      <tr>
+        <th><label for="id_products-0-DELETE">Delete:</label></th>
+        <td>
+          <input type="checkbox" name="products-0-DELETE" id="id_products-0-DELETE">
+        </td>
+      </tr>
+    </tbody>
+    <tbody>
+      <tr>
+        <th><label for="id_products-1-name">Name:</label></th>
+        <td>
+          <input type="text" name="products-1-name" maxlength="255" id="id_products-1-name">
+        </td>
+      </tr>
+      <tr>
+        <th><label for="id_products-1-reviews">Reviews:</label></th>
+        <td>
+          <table>
+            <tbody>
+              <tr>
+                <th><label for="id_products-1-reviews-0-title">Title:</label></th>
+                <td>
+                  <input type="text" name="products-1-reviews-0-title"
+                   maxlength="255" id="id_products-1-reviews-0-title">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-1-reviews-0-rating">Rating:</label></th>
+                <td>
+                  <input type="number" name="products-1-reviews-0-rating"
+                   id="id_products-1-reviews-0-rating">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-1-reviews-0-DELETE">Delete:</label></th>
+                <td>
+                  <input type="checkbox" name="products-1-reviews-0-DELETE"
+                   id="id_products-1-reviews-0-DELETE">
+                </td>
+              </tr>
+            </tbody>
+            <tbody>
+              <tr>
+                <th><label for="id_products-1-reviews-1-title">Title:</label></th>
+                <td>
+                  <input type="text" name="products-1-reviews-1-title" maxlength="255"
+                   id="id_products-1-reviews-1-title">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-1-reviews-1-rating">Rating:</label></th>
+                <td>
+                  <input type="number" name="products-1-reviews-1-rating"
+                   id="id_products-1-reviews-1-rating">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-1-reviews-1-DELETE">Delete:</label></th>
+                <td>
+                  <input type="checkbox" name="products-1-reviews-1-DELETE"
+                   id="id_products-1-reviews-1-DELETE">
+                </td>
+              </tr>
+            </tbody>
+            <tbody>
+              <tr>
+                <th><label for="id_products-1-reviews-2-title">Title:</label></th>
+                <td>
+                  <input type="text" name="products-1-reviews-2-title" maxlength="255"
+                   id="id_products-1-reviews-2-title">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-1-reviews-2-rating">Rating:</label></th>
+                <td>
+                  <input type="number" name="products-1-reviews-2-rating"
+                   id="id_products-1-reviews-2-rating">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-1-reviews-2-DELETE">Delete:</label></th>
+                <td>
+                  <input type="checkbox" name="products-1-reviews-2-DELETE"
+                   id="id_products-1-reviews-2-DELETE">
+                </td>
+              </tr>
+            </tbody>
+          </table>
+          <input type="hidden" name="products-1-reviews-TOTAL_FORMS"
+           value="3" id="id_products-1-reviews-TOTAL_FORMS">
+          <input type="hidden" name="products-1-reviews-INITIAL_FORMS"
+           value="0" id="id_products-1-reviews-INITIAL_FORMS">
+          <input type="hidden" name="products-1-reviews-MIN_NUM_FORMS"
+           id="id_products-1-reviews-MIN_NUM_FORMS">
+          <input type="hidden" name="products-1-reviews-MAX_NUM_FORMS"
+           id="id_products-1-reviews-MAX_NUM_FORMS">
+        </td>
+      </tr>
+      <tr>
+        <th><label for="id_products-1-DELETE">Delete:</label></th>
+        <td>
+          <input type="checkbox" name="products-1-DELETE" id="id_products-1-DELETE">
+        </td>
+      </tr>
+    </tbody>
+    <tbody>
+      <tr>
+        <th><label for="id_products-2-name">Name:</label></th>
+        <td>
+          <input type="text" name="products-2-name" maxlength="255" id="id_products-2-name">
+        </td>
+      </tr>
+      <tr>
+        <th><label for="id_products-2-reviews">Reviews:</label></th>
+        <td>
+          <table>
+            <tbody>
+              <tr>
+                <th><label for="id_products-2-reviews-0-title">Title:</label></th>
+                <td>
+                  <input type="text" name="products-2-reviews-0-title" maxlength="255"
+                   id="id_products-2-reviews-0-title">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-2-reviews-0-rating">Rating:</label></th>
+                <td>
+                  <input type="number" name="products-2-reviews-0-rating"
+                   id="id_products-2-reviews-0-rating">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-2-reviews-0-DELETE">Delete:</label></th>
+                <td>
+                  <input type="checkbox" name="products-2-reviews-0-DELETE"
+                   id="id_products-2-reviews-0-DELETE">
+                </td>
+              </tr>
+            </tbody>
+            <tbody>
+              <tr>
+                <th><label for="id_products-2-reviews-1-title">Title:</label></th>
+                <td>
+                  <input type="text" name="products-2-reviews-1-title" maxlength="255"
+                   id="id_products-2-reviews-1-title">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-2-reviews-1-rating">Rating:</label></th>
+                <td>
+                  <input type="number" name="products-2-reviews-1-rating"
+                   id="id_products-2-reviews-1-rating">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-2-reviews-1-DELETE">Delete:</label></th>
+                <td>
+                  <input type="checkbox" name="products-2-reviews-1-DELETE"
+                   id="id_products-2-reviews-1-DELETE">
+                </td>
+              </tr>
+            </tbody>
+            <tbody>
+              <tr>
+                <th><label for="id_products-2-reviews-2-title">Title:</label></th>
+                <td>
+                  <input type="text" name="products-2-reviews-2-title" maxlength="255"
+                   id="id_products-2-reviews-2-title">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-2-reviews-2-rating">Rating:</label></th>
+                <td>
+                  <input type="number" name="products-2-reviews-2-rating"
+                   id="id_products-2-reviews-2-rating">
+                </td>
+              </tr>
+              <tr>
+                <th><label for="id_products-2-reviews-2-DELETE">Delete:</label></th>
+                <td>
+                  <input type="checkbox" name="products-2-reviews-2-DELETE"
+                   id="id_products-2-reviews-2-DELETE">
+                </td>
+              </tr>
+            </tbody>
+          </table>
+          <input type="hidden" name="products-2-reviews-TOTAL_FORMS"
+           value="3" id="id_products-2-reviews-TOTAL_FORMS">
+          <input type="hidden" name="products-2-reviews-INITIAL_FORMS"
+           value="0" id="id_products-2-reviews-INITIAL_FORMS">
+          <input type="hidden" name="products-2-reviews-MIN_NUM_FORMS"
+           id="id_products-2-reviews-MIN_NUM_FORMS">
+          <input type="hidden" name="products-2-reviews-MAX_NUM_FORMS"
+           id="id_products-2-reviews-MAX_NUM_FORMS">
+        </td>
+      </tr>
+      <tr>
+        <th><label for="id_products-2-DELETE">Delete:</label></th>
+        <td>
+          <input type="checkbox" name="products-2-DELETE" id="id_products-2-DELETE">
+        </td>
+      </tr>
+    </tbody>
+  </table>
+  <input type="hidden" name="products-TOTAL_FORMS" value="3" id="id_products-TOTAL_FORMS">
+  <input type="hidden" name="products-INITIAL_FORMS" value="1" id="id_products-INITIAL_FORMS">
+  <input type="hidden" name="products-MIN_NUM_FORMS" id="id_products-MIN_NUM_FORMS">
+  <input type="hidden" name="products-MAX_NUM_FORMS" id="id_products-MAX_NUM_FORMS">
+</div>""",
+        )
+
+    def test_invalid_field_data(self):
+        """A field's data (Review.title) is too long."""
+        data = {
+            "name": "Best Buy!",
+            "products-0-name": "TV!",
+            "products-0-reviews-0-title": "A" * 256,
+            "products-0-reviews-0-rating": "9",
+            "products-TOTAL_FORMS": 3,
+            "products-INITIAL_FORMS": 1,
+            "products-0-reviews-TOTAL_FORMS": 3,
+            "products-0-reviews-INITIAL_FORMS": 1,
+            "products-1-reviews-TOTAL_FORMS": 3,
+            "products-1-reviews-INITIAL_FORMS": 0,
+            "products-2-reviews-TOTAL_FORMS": 3,
+            "products-2-reviews-INITIAL_FORMS": 0,
+        }
+        form = StoreForm(data)
+        self.assertFalse(form.is_valid())
+        self.assertEqual(
+            form.errors["products"],
+            ["Ensure this value has at most 255 characters (it has 256)."],
+        )
+
+    def test_all_missing_data(self):
+        """
+        An embedded model array field (reviews) with all data missing triggers
+        a required error.
+        """
+        store = Store.objects.create(
+            name="Best Buy",
+            products=[Product(name="TV", reviews=[Review(title="Great", rating=9)])],
+        )
+        data = {
+            "name": "Best Buy!",
+            "products-0-name": "TV!",
+            "products-0-reviews-0-title": "",
+            "products-0-reviews-0-rating": "",
+            "products-TOTAL_FORMS": 3,
+            "products-INITIAL_FORMS": 1,
+            "products-0-reviews-TOTAL_FORMS": 3,
+            "products-0-reviews-INITIAL_FORMS": 1,
+            "products-1-reviews-TOTAL_FORMS": 3,
+            "products-1-reviews-INITIAL_FORMS": 0,
+            "products-2-reviews-TOTAL_FORMS": 3,
+            "products-2-reviews-INITIAL_FORMS": 0,
+        }
+        form = StoreForm(data, instance=store)
+        self.assertFalse(form.is_valid())
+        self.assertEqual(
+            form.errors["products"], ["This field is required.", "This field is required."]
+        )
+
+    def test_rendering(self):
+        form = StoreForm()
+        self.assertHTMLEqual(
+            str(form.fields["products"].get_bound_field(form, "products")),
+            """
+<table>
+<tbody>
+  <tr>
+    <th><label for="id_products-0-name">Name:</label></th>
+    <td>
+      <input type="text" name="products-0-name" maxlength="255" id="id_products-0-name">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_products-0-reviews">Reviews:</label></th>
+    <td>
+      <table>
+        <tbody>
+          <tr>
+            <th><label for="id_products-0-reviews-0-title">Title:</label></th>
+            <td>
+              <input type="text" name="products-0-reviews-0-title" maxlength="255"
+               id="id_products-0-reviews-0-title">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-0-reviews-0-rating">Rating:</label></th>
+            <td>
+              <input type="number" name="products-0-reviews-0-rating"
+               id="id_products-0-reviews-0-rating">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-0-reviews-0-DELETE">Delete:</label></th>
+            <td>
+              <input type="checkbox" name="products-0-reviews-0-DELETE"
+               id="id_products-0-reviews-0-DELETE">
+            </td>
+          </tr>
+        </tbody>
+        <tbody>
+          <tr>
+            <th><label for="id_products-0-reviews-1-title">Title:</label></th>
+            <td>
+              <input type="text" name="products-0-reviews-1-title" maxlength="255"
+               id="id_products-0-reviews-1-title">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-0-reviews-1-rating">Rating:</label></th>
+            <td>
+              <input type="number" name="products-0-reviews-1-rating"
+               id="id_products-0-reviews-1-rating">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-0-reviews-1-DELETE">Delete:</label></th>
+            <td>
+              <input type="checkbox" name="products-0-reviews-1-DELETE"
+               id="id_products-0-reviews-1-DELETE">
+            </td>
+          </tr>
+        </tbody>
+        <tbody>
+          <tr>
+            <th><label for="id_products-0-reviews-2-title">Title:</label></th>
+            <td>
+              <input type="text" name="products-0-reviews-2-title" maxlength="255"
+               id="id_products-0-reviews-2-title">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-0-reviews-2-rating">Rating:</label></th>
+            <td>
+              <input type="number" name="products-0-reviews-2-rating"
+               id="id_products-0-reviews-2-rating">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-0-reviews-2-DELETE">Delete:</label></th>
+            <td>
+              <input type="checkbox" name="products-0-reviews-2-DELETE"
+               id="id_products-0-reviews-2-DELETE">
+            </td>
+          </tr>
+        </tbody>
+      </table>
+      <input type="hidden" name="products-0-reviews-TOTAL_FORMS" value="3"
+       id="id_products-0-reviews-TOTAL_FORMS"><input type="hidden"
+       name="products-0-reviews-INITIAL_FORMS" value="0"
+       id="id_products-0-reviews-INITIAL_FORMS">
+     <input type="hidden" name="products-0-reviews-MIN_NUM_FORMS" value="0"
+       id="id_products-0-reviews-MIN_NUM_FORMS">
+       <input type="hidden" name="products-0-reviews-MAX_NUM_FORMS"
+         value="1000" id="id_products-0-reviews-MAX_NUM_FORMS">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_products-0-DELETE">Delete:</label></th>
+    <td>
+      <input type="checkbox" name="products-0-DELETE" id="id_products-0-DELETE">
+    </td>
+  </tr>
+</tbody>
+<tbody>
+  <tr>
+    <th><label for="id_products-1-name">Name:</label></th>
+    <td>
+      <input type="text" name="products-1-name" maxlength="255" id="id_products-1-name">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_products-1-reviews">Reviews:</label></th>
+    <td>
+      <table>
+        <tbody>
+          <tr>
+            <th><label for="id_products-1-reviews-0-title">Title:</label></th>
+            <td>
+              <input type="text" name="products-1-reviews-0-title" maxlength="255"
+               id="id_products-1-reviews-0-title">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-1-reviews-0-rating">Rating:</label></th>
+            <td>
+              <input type="number" name="products-1-reviews-0-rating"
+               id="id_products-1-reviews-0-rating">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-1-reviews-0-DELETE">Delete:</label></th>
+            <td>
+              <input type="checkbox" name="products-1-reviews-0-DELETE"
+               id="id_products-1-reviews-0-DELETE">
+            </td>
+          </tr>
+        </tbody>
+        <tbody>
+          <tr>
+            <th><label for="id_products-1-reviews-1-title">Title:</label></th>
+            <td>
+              <input type="text" name="products-1-reviews-1-title" maxlength="255"
+               id="id_products-1-reviews-1-title">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-1-reviews-1-rating">Rating:</label></th>
+            <td>
+              <input type="number" name="products-1-reviews-1-rating"
+               id="id_products-1-reviews-1-rating">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-1-reviews-1-DELETE">Delete:</label></th>
+            <td>
+              <input type="checkbox" name="products-1-reviews-1-DELETE"
+               id="id_products-1-reviews-1-DELETE">
+            </td>
+          </tr>
+        </tbody>
+        <tbody>
+          <tr>
+            <th><label for="id_products-1-reviews-2-title">Title:</label></th>
+            <td>
+              <input type="text" name="products-1-reviews-2-title" maxlength="255"
+               id="id_products-1-reviews-2-title">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-1-reviews-2-rating">Rating:</label></th>
+            <td>
+              <input type="number" name="products-1-reviews-2-rating"
+               id="id_products-1-reviews-2-rating">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-1-reviews-2-DELETE">Delete:</label></th>
+            <td>
+              <input type="checkbox" name="products-1-reviews-2-DELETE"
+               id="id_products-1-reviews-2-DELETE">
+            </td>
+          </tr>
+        </tbody>
+      </table>
+      <input type="hidden" name="products-1-reviews-TOTAL_FORMS" value="3"
+       id="id_products-1-reviews-TOTAL_FORMS"><input type="hidden"
+       name="products-1-reviews-INITIAL_FORMS" value="0"
+       id="id_products-1-reviews-INITIAL_FORMS">
+     <input type="hidden" name="products-1-reviews-MIN_NUM_FORMS" value="0"
+       id="id_products-1-reviews-MIN_NUM_FORMS">
+       <input type="hidden" name="products-1-reviews-MAX_NUM_FORMS"
+         value="1000" id="id_products-1-reviews-MAX_NUM_FORMS">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_products-1-DELETE">Delete:</label></th>
+    <td>
+      <input type="checkbox" name="products-1-DELETE" id="id_products-1-DELETE">
+    </td>
+  </tr>
+</tbody>
+<tbody>
+  <tr>
+    <th><label for="id_products-2-name">Name:</label></th>
+    <td>
+      <input type="text" name="products-2-name" maxlength="255" id="id_products-2-name">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_products-2-reviews">Reviews:</label></th>
+    <td>
+      <table>
+        <tbody>
+          <tr>
+            <th><label for="id_products-2-reviews-0-title">Title:</label></th>
+            <td>
+              <input type="text" name="products-2-reviews-0-title" maxlength="255"
+               id="id_products-2-reviews-0-title">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-2-reviews-0-rating">Rating:</label></th>
+            <td>
+              <input type="number" name="products-2-reviews-0-rating"
+               id="id_products-2-reviews-0-rating">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-2-reviews-0-DELETE">Delete:</label></th>
+            <td>
+              <input type="checkbox" name="products-2-reviews-0-DELETE"
+               id="id_products-2-reviews-0-DELETE">
+            </td>
+          </tr>
+        </tbody>
+        <tbody>
+          <tr>
+            <th><label for="id_products-2-reviews-1-title">Title:</label></th>
+            <td>
+              <input type="text" name="products-2-reviews-1-title" maxlength="255"
+               id="id_products-2-reviews-1-title">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-2-reviews-1-rating">Rating:</label></th>
+            <td>
+              <input type="number" name="products-2-reviews-1-rating"
+               id="id_products-2-reviews-1-rating">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-2-reviews-1-DELETE">Delete:</label></th>
+            <td>
+              <input type="checkbox" name="products-2-reviews-1-DELETE"
+               id="id_products-2-reviews-1-DELETE">
+            </td>
+          </tr>
+        </tbody>
+        <tbody>
+          <tr>
+            <th><label for="id_products-2-reviews-2-title">Title:</label></th>
+            <td>
+              <input type="text" name="products-2-reviews-2-title" maxlength="255"
+               id="id_products-2-reviews-2-title">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-2-reviews-2-rating">Rating:</label></th>
+            <td>
+              <input type="number" name="products-2-reviews-2-rating"
+               id="id_products-2-reviews-2-rating">
+            </td>
+          </tr>
+          <tr>
+            <th><label for="id_products-2-reviews-2-DELETE">Delete:</label></th>
+            <td>
+              <input type="checkbox" name="products-2-reviews-2-DELETE"
+               id="id_products-2-reviews-2-DELETE">
+            </td>
+          </tr>
+        </tbody>
+      </table>
+      <input type="hidden" name="products-2-reviews-TOTAL_FORMS" value="3"
+       id="id_products-2-reviews-TOTAL_FORMS"><input type="hidden"
+       name="products-2-reviews-INITIAL_FORMS" value="0"
+       id="id_products-2-reviews-INITIAL_FORMS">
+     <input type="hidden" name="products-2-reviews-MIN_NUM_FORMS" value="0"
+       id="id_products-2-reviews-MIN_NUM_FORMS">
+       <input type="hidden" name="products-2-reviews-MAX_NUM_FORMS"
+         value="1000" id="id_products-2-reviews-MAX_NUM_FORMS">
+    </td>
+  </tr>
+  <tr>
+    <th><label for="id_products-2-DELETE">Delete:</label></th>
+    <td>
+      <input type="checkbox" name="products-2-DELETE" id="id_products-2-DELETE">
+    </td>
+  </tr>
+</tbody>
+</table>
+<input type="hidden" name="products-TOTAL_FORMS" value="3"
+id="id_products-TOTAL_FORMS"><input type="hidden" name="products-INITIAL_FORMS"
+value="0" id="id_products-INITIAL_FORMS">
+<input type="hidden" name="products-MIN_NUM_FORMS" value="0" id="id_products-MIN_NUM_FORMS">
+<input type="hidden" name="products-MAX_NUM_FORMS" value="1000" id="id_products-MAX_NUM_FORMS">""",
+        )