diff --git a/packages/sanity/src/core/bundles/components/dialog/BundleForm.tsx b/packages/sanity/src/core/bundles/components/dialog/BundleForm.tsx
index 6f0485b2cf84..d4e9a9bcfd7d 100644
--- a/packages/sanity/src/core/bundles/components/dialog/BundleForm.tsx
+++ b/packages/sanity/src/core/bundles/components/dialog/BundleForm.tsx
@@ -1,8 +1,14 @@
 /* eslint-disable i18next/no-literal-string */
 import {CalendarIcon} from '@sanity/icons'
-import {Box, Button, Card, Flex, Popover, Stack, Text, TextArea, TextInput} from '@sanity/ui'
+import {Box, Button, Flex, Popover, Stack, Text, TextArea, TextInput} from '@sanity/ui'
 import {useCallback, useMemo, useState} from 'react'
-import {useDateTimeFormat, useTranslation} from 'sanity'
+import {
+  FormFieldHeaderText,
+  type FormNodeValidation,
+  useBundles,
+  useDateTimeFormat,
+  useTranslation,
+} from 'sanity'
 import speakingurl from 'speakingurl'
 
 import {type CalendarLabels} from '../../../form/inputs/DateInputs/base/calendar/types'
@@ -14,16 +20,24 @@ import {BundleIconEditorPicker, type BundleIconEditorPickerValue} from './Bundle
 
 export function BundleForm(props: {
   onChange: (params: Partial<BundleDocument>) => void
+  onError: (errorsExist: boolean) => void
   value: Partial<BundleDocument>
 }): JSX.Element {
-  const {onChange, value} = props
+  const {onChange, onError, value} = props
   const {title, description, icon, hue, publishAt} = value
 
   const dateFormatter = useDateTimeFormat()
 
-  const [showTitleValidation, setShowTitleValidation] = useState(false)
   const [showDateValidation, setShowDateValidation] = useState(false)
   const [showDatePicker, setShowDatePicker] = useState(false)
+  const [showBundleExists, setShowBundleExists] = useState(false)
+  const [showIsDraftPublishError, setShowIsDraftPublishError] = useState(false)
+
+  const [isInitialRender, setIsInitialRender] = useState(true)
+  const {data} = useBundles()
+
+  const [titleErrors, setTitleErrors] = useState<FormNodeValidation[]>([])
+  const [dateErrors, setDateErrors] = useState<FormNodeValidation[]>([])
 
   const publishAtDisplayValue = useMemo(() => {
     if (!publishAt) return ''
@@ -45,16 +59,44 @@ export function BundleForm(props: {
   const handleBundleTitleChange = useCallback(
     (event: React.ChangeEvent<HTMLInputElement>) => {
       const pickedTitle = event.target.value
-
-      if (isDraftOrPublished(pickedTitle)) {
-        setShowTitleValidation(true)
+      const pickedNameExists =
+        data && data.find((bundle) => bundle.name === speakingurl(pickedTitle))
+      const isEmptyTitle = pickedTitle.trim() === '' && !isInitialRender
+
+      if (
+        isDraftOrPublished(pickedTitle) ||
+        pickedNameExists ||
+        (isEmptyTitle && !isInitialRender)
+      ) {
+        if (isEmptyTitle && !isInitialRender) {
+          // if the title is empty and it's not the first opening of the dialog, show an error
+          // TODO localize text
+
+          setTitleErrors([{level: 'error', message: 'Bundle needs a name', path: []}])
+        }
+        if (isDraftOrPublished(pickedTitle)) {
+          // if the title is 'drafts' or 'published', show an error
+          // TODO localize text
+          setTitleErrors([
+            {level: 'error', message: "Title cannot be 'drafts' or 'published'", path: []},
+          ])
+        }
+        if (pickedNameExists) {
+          // if the bundle already exists, show an error
+          // TODO localize text
+          setTitleErrors([{level: 'error', message: 'Bundle already exists', path: []}])
+        }
+
+        onError(true)
       } else {
-        setShowTitleValidation(false)
+        setTitleErrors([])
+        onError(false)
       }
 
+      setIsInitialRender(false)
       onChange({...value, title: pickedTitle, name: speakingurl(pickedTitle)})
     },
-    [onChange, value],
+    [data, isInitialRender, onChange, onError, value],
   )
 
   const handleBundleDescriptionChange = useCallback(
@@ -88,15 +130,25 @@ export function BundleForm(props: {
       // needs to check that the date is not invalid & not empty
       // in which case it can update the input value but not the actual bundle value
       if (new Date(event.target.value).toString() === 'Invalid Date' && dateValue !== '') {
-        setShowDateValidation(true)
+        // if the date is invalid, show an error
+        // TODO localize text
+        setDateErrors([
+          {
+            level: 'error',
+            message: 'Should be an empty or valid date',
+            path: [],
+          },
+        ])
         setDisplayDate(dateValue)
+        onError(true)
       } else {
-        setShowDateValidation(false)
+        setDateErrors([])
         setDisplayDate(dateValue)
         onChange({...value, publishAt: dateValue})
+        onError(false)
       }
     },
-    [onChange, value],
+    [onChange, value, onError],
   )
 
   const handleIconValueChange = useCallback(
@@ -112,24 +164,13 @@ export function BundleForm(props: {
         <BundleIconEditorPicker onChange={handleIconValueChange} value={iconValue} />
       </Flex>
       <Stack space={3}>
-        {showTitleValidation && (
-          <Card tone="critical" padding={3} radius={2}>
-            <Text align="center" muted size={1}>
-              {/* localize & validate copy & UI */}
-              Title cannot be "drafts" or "published"
-            </Text>
-          </Card>
-        )}
-
-        {/* TODO ADD CHECK FOR EXISTING NAMES AND AVOID DUPLICATES */}
-        <Text size={1} weight="medium">
-          {/* localize text */}
-          Title
-        </Text>
+        {/* localize text */}
+        <FormFieldHeaderText title="Title" validation={titleErrors} />
         <TextInput
+          data-testid="bundle-form-title"
           onChange={handleBundleTitleChange}
+          customValidity={titleErrors.length > 0 ? 'error' : undefined}
           value={title}
-          data-testid="bundle-form-title"
         />
       </Stack>
 
@@ -146,18 +187,8 @@ export function BundleForm(props: {
       </Stack>
 
       <Stack space={3}>
-        <Text size={1} weight="medium">
-          {/* localize text */}
-          Schedule for publishing at
-        </Text>
-        {showDateValidation && (
-          <Card tone="critical" padding={3} radius={2}>
-            <Text align="center" muted size={1}>
-              {/* localize & validate copy & UI */}
-              Should be an empty or valid date
-            </Text>
-          </Card>
-        )}
+        {/* localize text */}
+        <FormFieldHeaderText title="Schedule for publishing at" validation={dateErrors} />
 
         <TextInput
           suffix={
@@ -190,6 +221,7 @@ export function BundleForm(props: {
           value={displayDate}
           onChange={handlePublishAtInputChange}
           data-testid="bundle-form-publish-at"
+          customValidity={dateErrors.length > 0 ? 'error' : undefined}
         />
       </Stack>
     </Stack>
diff --git a/packages/sanity/src/core/bundles/components/dialog/CreateBundleDialog.tsx b/packages/sanity/src/core/bundles/components/dialog/CreateBundleDialog.tsx
index 76e60c30c71e..1e5d1b775193 100644
--- a/packages/sanity/src/core/bundles/components/dialog/CreateBundleDialog.tsx
+++ b/packages/sanity/src/core/bundles/components/dialog/CreateBundleDialog.tsx
@@ -5,7 +5,6 @@ import {type FormEvent, useCallback, useState} from 'react'
 import {type BundleDocument} from '../../../store/bundles/types'
 import {useBundleOperations} from '../../../store/bundles/useBundleOperations'
 import {usePerspective} from '../../hooks/usePerspective'
-import {isDraftOrPublished} from '../../util/dummyGetters'
 import {BundleForm} from './BundleForm'
 
 interface CreateBundleDialogProps {
@@ -16,6 +15,7 @@ interface CreateBundleDialogProps {
 export function CreateBundleDialog(props: CreateBundleDialogProps): JSX.Element {
   const {onCancel, onCreate} = props
   const {createBundle} = useBundleOperations()
+  const [hasErrors, setHasErrors] = useState(false)
 
   const [value, setValue] = useState<Partial<BundleDocument>>({
     name: '',
@@ -53,6 +53,10 @@ export function CreateBundleDialog(props: CreateBundleDialogProps): JSX.Element
     setValue(changedValue)
   }, [])
 
+  const handleOnError = useCallback((errorsExist: boolean) => {
+    setHasErrors(errorsExist)
+  }, [])
+
   return (
     <Dialog
       animate
@@ -64,11 +68,11 @@ export function CreateBundleDialog(props: CreateBundleDialogProps): JSX.Element
     >
       <form onSubmit={handleOnSubmit}>
         <Box padding={6}>
-          <BundleForm onChange={handleOnChange} value={value} />
+          <BundleForm onChange={handleOnChange} onError={handleOnError} value={value} />
         </Box>
         <Flex justify="flex-end" padding={3}>
           <Button
-            disabled={!value.title || isDraftOrPublished(value.title) || isCreating}
+            disabled={!value.title || isCreating || hasErrors}
             iconRight={ArrowRightIcon}
             type="submit"
             // localize Text
diff --git a/packages/sanity/src/core/bundles/components/dialog/__tests__/BundleForm.test.tsx b/packages/sanity/src/core/bundles/components/dialog/__tests__/BundleForm.test.tsx
index 1f288ba18bab..62a78de1eb57 100644
--- a/packages/sanity/src/core/bundles/components/dialog/__tests__/BundleForm.test.tsx
+++ b/packages/sanity/src/core/bundles/components/dialog/__tests__/BundleForm.test.tsx
@@ -1,17 +1,25 @@
 import {beforeEach, describe, expect, it, jest} from '@jest/globals'
 import {fireEvent, render, screen} from '@testing-library/react'
-import {type BundleDocument} from 'sanity'
+import {type BundleDocument, useDateTimeFormat} from 'sanity'
 
+import {useBundles} from '../../../../store/bundles'
 import {createWrapper} from '../../../util/tests/createWrapper'
 import {BundleForm} from '../BundleForm'
 
-jest.mock('sanity', () => ({
-  useDateTimeFormat: jest.fn().mockReturnValue({format: jest.fn().mockReturnValue('Mocked date')}),
-  useTranslation: jest.fn().mockReturnValue({t: jest.fn().mockReturnValue('Mocked translation')}),
+jest.mock('../../../../../core/hooks/useDateTimeFormat', () => ({
+  useDateTimeFormat: jest.fn(),
 }))
 
+jest.mock('../../../../store/bundles', () => ({
+  useBundles: jest.fn(),
+}))
+
+const mockUseBundleStore = useBundles as jest.Mock<typeof useBundles>
+const mockUseDateTimeFormat = useDateTimeFormat as jest.Mock
+
 describe('BundleForm', () => {
   const onChangeMock = jest.fn()
+  const onErrorMock = jest.fn()
   const valueMock: Partial<BundleDocument> = {
     title: '',
     description: '',
@@ -22,12 +30,36 @@ describe('BundleForm', () => {
 
   beforeEach(async () => {
     onChangeMock.mockClear()
+    onErrorMock.mockClear()
+
+    // Mock the data returned by useBundles hook
+    const mockData: BundleDocument[] = [
+      {
+        description: 'What a spring drop, allergies galore 🌸',
+        _updatedAt: '2024-07-12T10:39:32Z',
+        _rev: 'HdJONGqRccLIid3oECLjYZ',
+        authorId: 'pzAhBTkNX',
+        title: 'Spring Drop',
+        icon: 'heart-filled',
+        _id: 'db76c50e-358b-445c-a57c-8344c588a5d5',
+        _type: 'bundle',
+        name: 'spring-drop',
+        hue: 'magenta',
+        _createdAt: '2024-07-02T11:37:51Z',
+      },
+      // Add more mock data if needed
+    ]
+    mockUseBundleStore.mockReturnValue({data: mockData, loading: false, dispatch: jest.fn()})
+
+    mockUseDateTimeFormat.mockReturnValue({format: jest.fn().mockReturnValue('Mocked date')})
 
     const wrapper = await createWrapper()
-    render(<BundleForm onChange={onChangeMock} value={valueMock} />, {wrapper})
+    render(<BundleForm onChange={onChangeMock} value={valueMock} onError={onErrorMock} />, {
+      wrapper,
+    })
   })
 
-  it('should render the form fields', async () => {
+  it('should render the form fields', () => {
     expect(screen.getByTestId('bundle-form-title')).toBeInTheDocument()
     expect(screen.getByTestId('bundle-form-description')).toBeInTheDocument()
     expect(screen.getByTestId('bundle-form-publish-at')).toBeInTheDocument()
@@ -60,4 +92,41 @@ describe('BundleForm', () => {
 
     expect(onChangeMock).toHaveBeenCalledWith({...valueMock, publishAt: ''})
   })
+
+  it('should show an error when the title is "drafts"', () => {
+    const titleInput = screen.getByTestId('bundle-form-title')
+
+    fireEvent.change(titleInput, {target: {value: 'drafts'}})
+
+    expect(screen.getByTestId('input-validation-icon-error')).toBeInTheDocument()
+  })
+
+  it('should show an error when the title is "published"', () => {
+    const titleInput = screen.getByTestId('bundle-form-title')
+    fireEvent.change(titleInput, {target: {value: 'published'}})
+
+    expect(screen.getByTestId('input-validation-icon-error')).toBeInTheDocument()
+  })
+
+  it('should show an error when the bundle already exists', () => {
+    const titleInput = screen.getByTestId('bundle-form-title')
+    fireEvent.change(titleInput, {target: {value: 'Spring Drop'}})
+
+    expect(screen.getByTestId('input-validation-icon-error')).toBeInTheDocument()
+  })
+
+  it('should show an error when the title is empty', () => {
+    const titleInput = screen.getByTestId('bundle-form-title')
+    fireEvent.change(titleInput, {target: {value: 'test'}}) // Set a valid title first
+    fireEvent.change(titleInput, {target: {value: ' '}}) // remove the title
+
+    expect(screen.getByTestId('input-validation-icon-error')).toBeInTheDocument()
+  })
+
+  it('should show an error when the publishAt input value is invalid', () => {
+    const publishAtInput = screen.getByTestId('bundle-form-publish-at')
+    fireEvent.change(publishAtInput, {target: {value: 'invalid-date'}})
+
+    expect(screen.getByTestId('input-validation-icon-error')).toBeInTheDocument()
+  })
 })
diff --git a/packages/sanity/src/core/bundles/components/dialog/__tests__/BundleIconEditorPicker.test.tsx b/packages/sanity/src/core/bundles/components/dialog/__tests__/BundleIconEditorPicker.test.tsx
index 899714372642..3d2c8513cc43 100644
--- a/packages/sanity/src/core/bundles/components/dialog/__tests__/BundleIconEditorPicker.test.tsx
+++ b/packages/sanity/src/core/bundles/components/dialog/__tests__/BundleIconEditorPicker.test.tsx
@@ -1,13 +1,12 @@
 import {beforeEach, describe, expect, it, jest} from '@jest/globals'
 import {fireEvent, render, screen} from '@testing-library/react'
-import {type BundleDocument} from 'sanity'
 
 import {createWrapper} from '../../../util/tests/createWrapper'
-import {BundleIconEditorPicker} from '../BundleIconEditorPicker'
+import {BundleIconEditorPicker, type BundleIconEditorPickerValue} from '../BundleIconEditorPicker'
 
 describe('BundleIconEditorPicker', () => {
   const onChangeMock = jest.fn()
-  const valueMock: Partial<BundleDocument> = {
+  const valueMock: BundleIconEditorPickerValue = {
     hue: 'gray',
     icon: 'cube',
   }
diff --git a/packages/sanity/src/core/bundles/components/dialog/__tests__/CreateBundleDialog.test.tsx b/packages/sanity/src/core/bundles/components/dialog/__tests__/CreateBundleDialog.test.tsx
index 79bb466d1d45..aa0c8f1a2972 100644
--- a/packages/sanity/src/core/bundles/components/dialog/__tests__/CreateBundleDialog.test.tsx
+++ b/packages/sanity/src/core/bundles/components/dialog/__tests__/CreateBundleDialog.test.tsx
@@ -1,15 +1,18 @@
 import {beforeEach, describe, expect, it, jest} from '@jest/globals'
 import {fireEvent, render, screen} from '@testing-library/react'
-import {type BundleDocument} from 'sanity'
+import {type BundleDocument, useBundles, useDateTimeFormat} from 'sanity'
 
 import {useBundleOperations} from '../../../../store/bundles/useBundleOperations'
 import {usePerspective} from '../../../hooks/usePerspective'
 import {createWrapper} from '../../../util/tests/createWrapper'
 import {CreateBundleDialog} from '../CreateBundleDialog'
 
-jest.mock('sanity', () => ({
-  useDateTimeFormat: jest.fn().mockReturnValue({format: jest.fn().mockReturnValue('Mocked date')}),
-  useTranslation: jest.fn().mockReturnValue({t: jest.fn().mockReturnValue('Mocked translation')}),
+jest.mock('../../../../../core/hooks/useDateTimeFormat', () => ({
+  useDateTimeFormat: jest.fn(),
+}))
+
+jest.mock('../../../../store/bundles', () => ({
+  useBundles: jest.fn(),
 }))
 
 jest.mock('../../../../store/bundles/useBundleOperations', () => ({
@@ -24,6 +27,9 @@ jest.mock('../../../hooks/usePerspective', () => ({
   }),
 }))
 
+const mockUseBundleStore = useBundles as jest.Mock<typeof useBundles>
+const mockUseDateTimeFormat = useDateTimeFormat as jest.Mock
+
 describe('CreateBundleDialog', () => {
   const onCancelMock = jest.fn()
   const onCreateMock = jest.fn()
@@ -32,6 +38,14 @@ describe('CreateBundleDialog', () => {
     onCancelMock.mockClear()
     onCreateMock.mockClear()
 
+    mockUseBundleStore.mockReturnValue({
+      data: [],
+      loading: true,
+      dispatch: jest.fn(),
+    })
+
+    mockUseDateTimeFormat.mockReturnValue({format: jest.fn().mockReturnValue('Mocked date')})
+
     const wrapper = await createWrapper()
     render(<CreateBundleDialog onCancel={onCancelMock} onCreate={onCreateMock} />, {wrapper})
   })