diff --git a/.changeset/chilly-lizards-dress.md b/.changeset/chilly-lizards-dress.md
new file mode 100644
index 0000000000..781ab55437
--- /dev/null
+++ b/.changeset/chilly-lizards-dress.md
@@ -0,0 +1,6 @@
+---
+'@twilio-paste/core': patch
+'@twilio-paste/chat-composer': patch
+---
+
+[ChatComposer]: fix Lexical global styles
diff --git a/packages/paste-core/components/chat-composer/src/ChatComposer.tsx b/packages/paste-core/components/chat-composer/src/ChatComposer.tsx
index 9d7d5f004e..f5ef90f595 100644
--- a/packages/paste-core/components/chat-composer/src/ChatComposer.tsx
+++ b/packages/paste-core/components/chat-composer/src/ChatComposer.tsx
@@ -28,9 +28,10 @@ import {
    */
   HistoryPlugin,
 } from '@twilio-paste/lexical-library';
+import {StylingGlobals} from '@twilio-paste/styling-library';
 import type {LexicalComposerProps, OnChangeFunction, ContentEditableProps} from '@twilio-paste/lexical-library';
 
-import './styles.css';
+import {chatComposerLexicalStyles} from './styles';
 import {AutoLinkPlugin} from './AutoLinkPlugin';
 import {PlaceholderWrapper} from './PlaceholderWrapper';
 import {baseConfig, renderInitialText} from './helpers';
@@ -97,6 +98,7 @@ export const ChatComposer = React.forwardRef<HTMLDivElement, ChatComposerProps>(
         overflowY="scroll"
         maxHeight={maxHeight}
       >
+        <StylingGlobals styles={chatComposerLexicalStyles} />
         <LexicalComposer initialConfig={merge(baseConfigWithEditorState, config)}>
           <>
             <RichTextPlugin
diff --git a/packages/paste-core/components/chat-composer/src/styles.css b/packages/paste-core/components/chat-composer/src/styles.ts
similarity index 54%
rename from packages/paste-core/components/chat-composer/src/styles.css
rename to packages/paste-core/components/chat-composer/src/styles.ts
index bbc4a46298..c9859f2418 100644
--- a/packages/paste-core/components/chat-composer/src/styles.css
+++ b/packages/paste-core/components/chat-composer/src/styles.ts
@@ -1,3 +1,6 @@
+import {EmotionCSS} from '@twilio-paste/styling-library';
+
+export const chatComposerLexicalStyles = EmotionCSS`
 .paste-chat-composer-paragraph {
   margin: 0;
   position: relative;
@@ -6,3 +9,4 @@
 .paste-chat-composer-content-editable:focus {
   outline: none;
 }
+`;