diff --git a/integration_test/robots/email_robot.dart b/integration_test/robots/email_robot.dart
index ff3ce14a0..38493e6d3 100644
--- a/integration_test/robots/email_robot.dart
+++ b/integration_test/robots/email_robot.dart
@@ -40,4 +40,8 @@ class EmailRobot extends CoreRobot {
   Future<void> tapMarkAsUnreadOptionInContextMenu() async {
     await $(#markAsUnread_action).tap();
   }
+
+  Future<void> tapEmailDetailedStarButton() async {
+    await $(#email_detailed_star_button).tap();
+  }
 }
\ No newline at end of file
diff --git a/integration_test/scenarios/email_detailed/mark_as_star_email_scenario.dart b/integration_test/scenarios/email_detailed/mark_as_star_email_scenario.dart
new file mode 100644
index 000000000..fc8ce5fba
--- /dev/null
+++ b/integration_test/scenarios/email_detailed/mark_as_star_email_scenario.dart
@@ -0,0 +1,65 @@
+
+import 'package:core/presentation/resources/image_paths.dart';
+import 'package:core/presentation/views/button/tmail_button_widget.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import '../../base/base_test_scenario.dart';
+import '../../models/provisioning_email.dart';
+import '../../robots/email_robot.dart';
+import '../../robots/thread_robot.dart';
+
+class MarkAsStarEmailScenario extends BaseTestScenario {
+
+  const MarkAsStarEmailScenario(super.$);
+
+  @override
+  Future<void> runTestLogic() async {
+    const subject = 'Mark as star/unStar email';
+    const emailUser = String.fromEnvironment('BASIC_AUTH_EMAIL');
+    final threadRobot = ThreadRobot($);
+    final emailRobot = EmailRobot($);
+    final imagePaths = ImagePaths();
+
+    await provisionEmail(
+      [
+        ProvisioningEmail(
+          toEmail: emailUser,
+          subject: subject,
+          content: subject,
+        ),
+      ],
+      requestReadReceipt: false,
+    );
+    await $.pumpAndSettle();
+
+    await threadRobot.openEmailWithSubject(subject);
+    await $.pumpAndSettle();
+    _expectEmailDetailedStarButtonVisible();
+
+    await emailRobot.tapEmailDetailedStarButton();
+    await $.pumpAndSettle(duration: const Duration(seconds: 2));
+    await _expectDisplayedStarIcon(imagePaths);
+
+    await emailRobot.tapEmailDetailedStarButton();
+    await $.pumpAndSettle(duration: const Duration(seconds: 2));
+    await _expectDisplayedUnStarIcon(imagePaths);
+  }
+
+  void _expectEmailDetailedStarButtonVisible() {
+    expect($(#email_detailed_star_button), findsOneWidget);
+  }
+
+  Future<void> _expectDisplayedStarIcon(ImagePaths imagePaths) async {
+    await expectViewVisible(
+      $(#email_detailed_star_button).which<TMailButtonWidget>(
+          (widget) => widget.icon == imagePaths.icStar),
+    );
+  }
+
+  Future<void> _expectDisplayedUnStarIcon(ImagePaths imagePaths) async {
+    await expectViewVisible(
+      $(#email_detailed_star_button).which<TMailButtonWidget>(
+          (widget) => widget.icon == imagePaths.icUnStar),
+    );
+  }
+}
\ No newline at end of file
diff --git a/integration_test/tests/email_detailed/mark_as_star_email_when_open_detailed_email_test.dart b/integration_test/tests/email_detailed/mark_as_star_email_when_open_detailed_email_test.dart
new file mode 100644
index 000000000..fc46583de
--- /dev/null
+++ b/integration_test/tests/email_detailed/mark_as_star_email_when_open_detailed_email_test.dart
@@ -0,0 +1,9 @@
+import '../../base/test_base.dart';
+import '../../scenarios/email_detailed/mark_as_star_email_scenario.dart';
+
+void main() {
+  TestBase().runPatrolTest(
+    description: 'Should see star and unStar icon when open detailed email and mark as star and unStar email successfully',
+    scenarioBuilder: ($) => MarkAsStarEmailScenario($),
+  );
+}
\ No newline at end of file
diff --git a/lib/features/email/presentation/widgets/email_view_app_bar_widget.dart b/lib/features/email/presentation/widgets/email_view_app_bar_widget.dart
index e67f0b272..81ab68f3d 100644
--- a/lib/features/email/presentation/widgets/email_view_app_bar_widget.dart
+++ b/lib/features/email/presentation/widgets/email_view_app_bar_widget.dart
@@ -176,6 +176,7 @@ class EmailViewAppBarWidget extends StatelessWidget {
   );
 
   Widget _getMarkStarButton(AppLocalizations applocalizations) => TMailButtonWidget.fromIcon(
+    key: const Key('email_detailed_star_button'),
     icon: presentationEmail.hasStarred
       ? _imagePaths.icStar
       : _imagePaths.icUnStar,