diff --git a/packages/SystemUI/res/drawable/keyguard_framed_avatar_background.xml b/packages/SystemUI/res/drawable/keyguard_framed_avatar_background.xml
new file mode 100644
index 0000000000000..a461bf836d616
--- /dev/null
+++ b/packages/SystemUI/res/drawable/keyguard_framed_avatar_background.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2022 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+<shape
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="@dimen/kg_framed_avatar_size"/>
+    <solid android:color="@color/kg_user_avatar_frame"/>
+</shape>
\ No newline at end of file
diff --git a/packages/SystemUI/res/layout/keyguard_qs_user_switch.xml b/packages/SystemUI/res/layout/keyguard_qs_user_switch.xml
index 9cf09ff328c47..6f33623084842 100644
--- a/packages/SystemUI/res/layout/keyguard_qs_user_switch.xml
+++ b/packages/SystemUI/res/layout/keyguard_qs_user_switch.xml
@@ -22,18 +22,25 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:layout_gravity="end">
-    <com.android.systemui.statusbar.phone.UserAvatarView
-        android:id="@+id/kg_multi_user_avatar"
-        android:layout_width="@dimen/kg_framed_avatar_size"
-        android:layout_height="@dimen/kg_framed_avatar_size"
-        android:layout_centerHorizontal="true"
+    <!-- We add a background behind the UserAvatarView with the same color and with a circular shape
+         so that this view can be expanded into a Dialog or an Activity. -->
+    <FrameLayout
+        android:id="@+id/kg_multi_user_avatar_with_background"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
         android:layout_gravity="top|end"
         android:layout_marginEnd="16dp"
-        systemui:avatarPadding="0dp"
-        systemui:badgeDiameter="18dp"
-        systemui:badgeMargin="1dp"
-        systemui:frameColor="@color/kg_user_avatar_frame"
-        systemui:framePadding="0dp"
-        systemui:frameWidth="0dp">
-    </com.android.systemui.statusbar.phone.UserAvatarView>
+        android:background="@drawable/keyguard_framed_avatar_background">
+        <com.android.systemui.statusbar.phone.UserAvatarView
+            android:id="@+id/kg_multi_user_avatar"
+            android:layout_width="@dimen/kg_framed_avatar_size"
+            android:layout_height="@dimen/kg_framed_avatar_size"
+            systemui:avatarPadding="0dp"
+            systemui:badgeDiameter="18dp"
+            systemui:badgeMargin="1dp"
+            systemui:frameColor="@color/kg_user_avatar_frame"
+            systemui:framePadding="0dp"
+            systemui:frameWidth="0dp">
+        </com.android.systemui.statusbar.phone.UserAvatarView>
+    </FrameLayout>
 </FrameLayout>
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyguardQsUserSwitchController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyguardQsUserSwitchController.java
index 2a9048a6eb739..169347a5ac1a3 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyguardQsUserSwitchController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyguardQsUserSwitchController.java
@@ -78,6 +78,7 @@ public class KeyguardQsUserSwitchController extends ViewController<FrameLayout>
     private final UiEventLogger mUiEventLogger;
     @VisibleForTesting
     UserAvatarView mUserAvatarView;
+    private View mUserAvatarViewWithBackground;
     UserSwitcherController.UserRecord mCurrentUser;
     private boolean mIsKeyguardShowing;
 
@@ -167,6 +168,8 @@ public class KeyguardQsUserSwitchController extends ViewController<FrameLayout>
         super.onInit();
         if (DEBUG) Log.d(TAG, "onInit");
         mUserAvatarView = mView.findViewById(R.id.kg_multi_user_avatar);
+        mUserAvatarViewWithBackground = mView.findViewById(
+                R.id.kg_multi_user_avatar_with_background);
         mAdapter = new UserSwitcherController.BaseUserAdapter(mUserSwitcherController) {
             @Override
             public View getView(int position, View convertView, ViewGroup parent) {
@@ -186,7 +189,7 @@ public class KeyguardQsUserSwitchController extends ViewController<FrameLayout>
             mUiEventLogger.log(
                     LockscreenGestureLogger.LockscreenUiEvent.LOCKSCREEN_SWITCH_USER_TAP);
 
-            mUserSwitchDialogController.showDialog(mView);
+            mUserSwitchDialogController.showDialog(mUserAvatarViewWithBackground);
         });
 
         mUserAvatarView.setAccessibilityDelegate(new View.AccessibilityDelegate() {