diff --git a/packages/react/src/lib/accessibility/FocusZone/CHANGELOG.md b/packages/react/src/lib/accessibility/FocusZone/CHANGELOG.md
index 44697d45b5..cb1eb8686b 100644
--- a/packages/react/src/lib/accessibility/FocusZone/CHANGELOG.md
+++ b/packages/react/src/lib/accessibility/FocusZone/CHANGELOG.md
@@ -55,7 +55,7 @@ This is a list of changes made to the Stardust copy of FocusTrapZone in comparis
 
 ### fixes
 - Do not focus trigger on outside click @sophieH29 ([#627](https://github.com/stardust-ui/react/pull/627))
-
+- Do not hide aria-live regions from accessibility tree @sophieH29 ([#917](https://github.com/stardust-ui/react/pull/917))
 ### features
 - Add focus trap zone [#239](https://github.com/stardust-ui/react/pull/239)
     - Used Stardust utils instead of Fabric utilities:
diff --git a/packages/react/src/lib/accessibility/FocusZone/FocusTrapZone.tsx b/packages/react/src/lib/accessibility/FocusZone/FocusTrapZone.tsx
index d472e3ebff..d0e122e94e 100644
--- a/packages/react/src/lib/accessibility/FocusZone/FocusTrapZone.tsx
+++ b/packages/react/src/lib/accessibility/FocusZone/FocusTrapZone.tsx
@@ -296,13 +296,19 @@ export class FocusTrapZone extends React.Component<FocusTrapZoneProps, {}> {
       )
     }
 
-    // loop through all body's children, except the last one - which is the popup
-    for (let index = 0; index < bodyChildren.length - 1; index++) {
-      const element = bodyChildren[index]
-
-      if (element.getAttribute('aria-hidden') !== 'true') {
-        element.setAttribute('aria-hidden', 'true')
-        element.setAttribute(HIDDEN_FROM_ACC_TREE, 'true')
+    for (let index = 0; index < bodyChildren.length; index++) {
+      const currentChild = bodyChildren[index] as HTMLElement
+      const isOrHasFocusTrapZone =
+        currentChild === this._root.current || currentChild.contains(this._root.current)
+      const isAriaLiveRegion = currentChild.hasAttribute('aria-live')
+
+      if (
+        !isOrHasFocusTrapZone &&
+        !isAriaLiveRegion &&
+        currentChild.getAttribute('aria-hidden') !== 'true'
+      ) {
+        currentChild.setAttribute('aria-hidden', 'true')
+        currentChild.setAttribute(HIDDEN_FROM_ACC_TREE, 'true')
       }
     }
   }
diff --git a/packages/react/test/specs/lib/FocusTrapZone-test.tsx b/packages/react/test/specs/lib/FocusTrapZone-test.tsx
index 42495251e2..ad878314b2 100644
--- a/packages/react/test/specs/lib/FocusTrapZone-test.tsx
+++ b/packages/react/test/specs/lib/FocusTrapZone-test.tsx
@@ -1,6 +1,7 @@
 import * as React from 'react'
 import * as ReactTestUtils from 'react-dom/test-utils'
 import * as keyboardKey from 'keyboard-key'
+
 import {
   FocusTrapZone,
   FocusZone,