diff --git a/django_mongodb_backend/forms/fields/embedded_model.py b/django_mongodb_backend/forms/fields/embedded_model.py
index b86e85e78..bbfa9c02c 100644
--- a/django_mongodb_backend/forms/fields/embedded_model.py
+++ b/django_mongodb_backend/forms/fields/embedded_model.py
@@ -20,9 +20,17 @@ def decompress(self, value):
 
 
 class EmbeddedModelBoundField(forms.BoundField):
+    def __init__(self, form, field, name, prefix_override=None):
+        super().__init__(form, field, name)
+        # prefix_override overrides the prefix in self.field.form_kwargs so
+        # that nested embedded model form elements have the correct name.
+        self.prefix_override = prefix_override
+
     def __str__(self):
         """Render the model form as the representation for this field."""
         form = self.field.model_form_cls(instance=self.value(), **self.field.form_kwargs)
+        if self.prefix_override:
+            form.prefix = self.prefix_override
         return mark_safe(f"{form.as_div()}")  # noqa: S308
 
 
@@ -53,10 +61,21 @@ def compress(self, data_dict):
         return self.model_form._meta.model(**values)
 
     def get_bound_field(self, form, field_name):
-        return EmbeddedModelBoundField(form, self, field_name)
+        # Nested embedded model form fields need a double prefix.
+        prefix_override = f"{form.prefix}-{self.model_form.prefix}" if form.prefix else None
+        return EmbeddedModelBoundField(form, self, field_name, prefix_override)
 
     def bound_data(self, data, initial):
         if self.disabled:
             return initial
         # Transform the bound data into a model instance.
         return self.compress(data)
+
+    def prepare_value(self, value):
+        # When rendering a form with errors, nested EmbeddedModelField data
+        # won't be compressed if MultiValueField.clean() raises ValidationError
+        # error before compress() is called. The data must be compressed here
+        # so that EmbeddedModelBoundField.value() returns a model instance
+        # (rather than a list) for initializing the form in
+        # EmbeddedModelBoundField.__str__().
+        return self.compress(value) if isinstance(value, list) else value
diff --git a/tests/model_forms_/forms.py b/tests/model_forms_/forms.py
index 7bfed3fbb..1ac7b92a9 100644
--- a/tests/model_forms_/forms.py
+++ b/tests/model_forms_/forms.py
@@ -1,9 +1,15 @@
 from django import forms
 
-from .models import Author
+from .models import Author, Book
 
 
 class AuthorForm(forms.ModelForm):
     class Meta:
         fields = "__all__"
         model = Author
+
+
+class BookForm(forms.ModelForm):
+    class Meta:
+        fields = "__all__"
+        model = Book
diff --git a/tests/model_forms_/models.py b/tests/model_forms_/models.py
index df3bd580f..4e7cd0d6c 100644
--- a/tests/model_forms_/models.py
+++ b/tests/model_forms_/models.py
@@ -16,3 +16,13 @@ class Author(models.Model):
     age = models.IntegerField()
     address = EmbeddedModelField(Address)
     billing_address = EmbeddedModelField(Address, blank=True, null=True)
+
+
+class Publisher(EmbeddedModel):
+    name = models.CharField(max_length=50)
+    address = EmbeddedModelField(Address)
+
+
+class Book(models.Model):
+    title = models.CharField(max_length=50)
+    publisher = EmbeddedModelField(Publisher)
diff --git a/tests/model_forms_/test_embedded_model.py b/tests/model_forms_/test_embedded_model.py
index 240f8c6d8..4447b59f2 100644
--- a/tests/model_forms_/test_embedded_model.py
+++ b/tests/model_forms_/test_embedded_model.py
@@ -1,7 +1,7 @@
 from django.test import TestCase
 
-from .forms import AuthorForm
-from .models import Address, Author
+from .forms import AuthorForm, BookForm
+from .models import Address, Author, Book, Publisher
 
 
 class ModelFormTests(TestCase):
@@ -128,3 +128,222 @@ def test_rendering(self):
                 <input type="number" name="address-zip_code" required id="id_address-zip_code">
             </div>""",
         )
+
+
+class NestedFormTests(TestCase):
+    def test_update(self):
+        book = Book.objects.create(
+            title="Learning MongoDB",
+            publisher=Publisher(
+                name="Random House", address=Address(city="NYC", state="NY", zip_code="10001")
+            ),
+        )
+        data = {
+            "title": "Learning MongoDB!",
+            "publisher-name": "Random House!",
+            "publisher-address-po_box": "",
+            "publisher-address-city": "New York City",
+            "publisher-address-state": "NY",
+            "publisher-address-zip_code": "10001",
+        }
+        form = BookForm(data, instance=book)
+        self.assertTrue(form.is_valid())
+        form.save()
+        book.refresh_from_db()
+        self.assertEqual(book.title, "Learning MongoDB!")
+        self.assertEqual(book.publisher.name, "Random House!")
+        self.assertEqual(book.publisher.address.city, "New York City")
+
+    def test_some_missing_data(self):
+        """A required field (zip_code) is missing."""
+        book = Book.objects.create(
+            title="Learning MongoDB",
+            publisher=Publisher(
+                name="Random House", address=Address(city="NYC", state="NY", zip_code="10001")
+            ),
+        )
+        data = {
+            "title": "Learning MongoDB!",
+            "publisher-name": "Random House!",
+            "publisher-address-po_box": "",
+            "publisher-address-city": "New York City",
+            "publisher-address-state": "NY",
+            "publisher-address-zip_code": "",
+        }
+        form = BookForm(data, instance=book)
+        self.assertFalse(form.is_valid())
+        self.assertEqual(form.errors["publisher"], ["Enter all required values."])
+        self.assertHTMLEqual(
+            str(form),
+            """
+            <div>
+              <label for="id_title">Title:</label>
+              <input type="text" name="title" value="Learning MongoDB!" maxlength="50"
+                required id="id_title">
+            </div>
+            <div>
+              <fieldset>
+                <legend>Publisher:</legend>
+                <ul class="errorlist">
+                  <li>Enter all required values.</li>
+                </ul>
+                <div>
+                  <label for="id_publisher-name">Name:</label>
+                  <input type="text" name="publisher-name" value="Random House!" maxlength="50"
+                    required id="id_publisher-name">
+                </div>
+                <div>
+                  <fieldset>
+                    <legend>Address:</legend>
+                    <div>
+                      <label for="id_publisher-address-po_box">PO Box:</label>
+                      <input type="text" name="publisher-address-po_box" maxlength="50"
+                        id="id_publisher-address-po_box">
+                    </div>
+                    <div>
+                      <label for="id_publisher-address-city">City:</label>
+                      <input type="text" name="publisher-address-city" value="New York City"
+                        maxlength="20" required id="id_publisher-address-city">
+                    </div>
+                    <div>
+                      <label for="id_publisher-address-state">State:</label>
+                      <input type="text" name="publisher-address-state" value="NY"
+                        maxlength="2" required id="id_publisher-address-state">
+                    </div>
+                    <div>
+                      <label for="id_publisher-address-zip_code">Zip code:</label>
+                      <input type="number" name="publisher-address-zip_code"
+                        required id="id_publisher-address-zip_code">
+                    </div>
+                  </fieldset>
+                </div>
+              </fieldset>
+            </div>""",
+        )
+
+    def test_invalid_field_data(self):
+        """A field's data (state) is too long."""
+        book = Book.objects.create(
+            title="Learning MongoDB",
+            publisher=Publisher(
+                name="Random House", address=Address(city="NYC", state="NY", zip_code="10001")
+            ),
+        )
+        data = {
+            "title": "Learning MongoDB!",
+            "publisher-name": "Random House!",
+            "publisher-address-po_box": "",
+            "publisher-address-city": "New York City",
+            "publisher-address-state": "TOO LONG",
+            "publisher-address-zip_code": "10001",
+        }
+        form = BookForm(data, instance=book)
+        self.assertFalse(form.is_valid())
+        self.assertEqual(
+            form.errors["publisher"],
+            ["Ensure this value has at most 2 characters (it has 8)."],
+        )
+        self.assertHTMLEqual(
+            str(form),
+            """
+            <div>
+              <label for="id_title">Title:</label>
+              <input type="text" name="title" value="Learning MongoDB!"
+                maxlength="50" required id="id_title">
+            </div>
+            <div>
+              <fieldset>
+                <legend>Publisher:</legend>
+                <ul class="errorlist">
+                  <li>Ensure this value has at most 2 characters (it has 8).</li>
+                </ul>
+                <div>
+                  <label for="id_publisher-name">Name:</label>
+                  <input type="text" name="publisher-name" value="Random House!"
+                    maxlength="50" required id="id_publisher-name">
+                </div>
+                <div>
+                  <fieldset>
+                    <legend>Address:</legend>
+                    <div>
+                      <label for="id_publisher-address-po_box">PO Box:</label>
+                      <input type="text" name="publisher-address-po_box"
+                        maxlength="50" id="id_publisher-address-po_box">
+                    </div>
+                    <div>
+                      <label for="id_publisher-address-city">City:</label>
+                      <input type="text" name="publisher-address-city" value="New York City"
+                        maxlength="20" required id="id_publisher-address-city">
+                    </div>
+                    <div>
+                      <label for="id_publisher-address-state">State:</label>
+                      <input type="text" name="publisher-address-state" value="TOO LONG"
+                        maxlength="2" required id="id_publisher-address-state">
+                    </div>
+                    <div>
+                      <label for="id_publisher-address-zip_code">Zip code:</label>
+                      <input type="number" name="publisher-address-zip_code" value="10001"
+                        required id="id_publisher-address-zip_code">
+                    </div>
+                  </fieldset>
+                </div>
+              </fieldset>
+            </div>""",
+        )
+
+    def test_all_missing_data(self):
+        """An embedded model with all data missing triggers a required error."""
+        book = Book.objects.create(
+            title="Learning MongoDB",
+            publisher=Publisher(
+                name="Random House", address=Address(city="NYC", state="NY", zip_code="10001")
+            ),
+        )
+        data = {
+            "title": "Learning MongoDB!",
+            "publisher-name": "Random House!",
+            "publisher-address-po_box": "",
+            "publisher-address-city": "",
+            "publisher-address-state": "",
+            "publisher-address-zip_code": "",
+        }
+        form = BookForm(data, instance=book)
+        self.assertFalse(form.is_valid())
+        self.assertEqual(form.errors["publisher"], ["This field is required."])
+
+    def test_rendering(self):
+        form = BookForm()
+        self.assertHTMLEqual(
+            str(form.fields["publisher"].get_bound_field(form, "publisher")),
+            """
+            <div>
+              <label for="id_publisher-name">Name:</label>
+              <input type="text" name="publisher-name" maxlength="50"
+                required id="id_publisher-name">
+            </div>
+            <div>
+              <fieldset>
+                <legend>Address:</legend>
+                <div>
+                  <label for="id_publisher-address-po_box">PO Box:</label>
+                  <input type="text" name="publisher-address-po_box" maxlength="50"
+                    id="id_publisher-address-po_box">
+                </div>
+                <div>
+                  <label for="id_publisher-address-city">City:</label>
+                  <input type="text" name="publisher-address-city" maxlength="20"
+                    required id="id_publisher-address-city">
+                </div>
+                <div>
+                  <label for="id_publisher-address-state">State:</label>
+                  <input type="text" name="publisher-address-state" maxlength="2"
+                    required id="id_publisher-address-state">
+                </div>
+                <div>
+                  <label for="id_publisher-address-zip_code">Zip code:</label>
+                  <input type="number" name="publisher-address-zip_code"
+                    required id="id_publisher-address-zip_code">
+                </div>
+              </fieldset>
+            </div>""",
+        )