diff --git a/src/Explorer/QueryCopilot/V2/Header/Header.tsx b/src/Explorer/QueryCopilot/V2/Header/Header.tsx
index d464995ba..0286aab83 100644
--- a/src/Explorer/QueryCopilot/V2/Header/Header.tsx
+++ b/src/Explorer/QueryCopilot/V2/Header/Header.tsx
@@ -1,39 +1,81 @@
-import { IconButton, Image, Stack, Text } from "@fluentui/react";
+import { DefaultButton, IconButton, Image, Modal, PrimaryButton, Stack, Text } from "@fluentui/react";
 import { useQueryCopilot } from "hooks/useQueryCopilot";
 import React from "react";
 import CopilotIcon from "../../../../../images/CopilotSidebarLogo.svg";
 
 export const Header: React.FC = (): JSX.Element => {
-  const { setShowCopilotSidebar } = useQueryCopilot();
+  const { setShowCopilotSidebar, chatMessages, setChatMessages, setShowExplanationBubble } = useQueryCopilot();
+  const [showDeleteHistoryModal, setShowDeleteHistoryModal] = React.useState(false);
+
+  const getDeleteHistoryModal = () => {
+    return (
+      <Modal isOpen={showDeleteHistoryModal} styles={{ main: { minHeight: "122px", minWidth: "480px" } }}>
+        <Stack style={{ padding: "16px 24px", height: "auto" }}>
+          <Text style={{ height: 24, fontSize: "18px" }}>
+            <b>Delete chat history?</b>
+          </Text>
+          <Text style={{ marginTop: 10, marginBottom: 20 }}>
+            This action will clear all chat history. Are you sure you want to continue?
+          </Text>
+          <Stack horizontal tokens={{ childrenGap: 10 }} horizontalAlign="start">
+            <PrimaryButton
+              style={{ padding: "0px 20px", height: 24 }}
+              onClick={() => {
+                setChatMessages([]);
+                setShowExplanationBubble(false);
+                setShowDeleteHistoryModal(false);
+              }}
+            >
+              Continue
+            </PrimaryButton>
+            <DefaultButton style={{ padding: "0px 20px", height: 24 }} onClick={() => setShowDeleteHistoryModal(false)}>
+              Close
+            </DefaultButton>
+          </Stack>
+        </Stack>
+      </Modal>
+    );
+  };
 
   return (
-    <Stack
-      style={{ margin: "15px 0px 0px 0px", padding: "5px", display: "flex", justifyContent: "space-between" }}
-      horizontal
-      verticalAlign="center"
-    >
-      <Stack horizontal verticalAlign="center">
-        <Image src={CopilotIcon} />
-        <Text style={{ marginLeft: "5px", fontWeight: "bold" }}>Copilot</Text>
-        <Text
-          style={{
-            background: "#f0f0f0",
-            fontSize: "10px",
-            padding: "2px 4px",
-            marginLeft: "5px",
-            borderRadius: "8px",
-          }}
-        >
-          Preview
-        </Text>
+    <>
+      <Stack
+        style={{ margin: "15px 0px 0px 0px", padding: "5px", display: "flex", justifyContent: "space-between" }}
+        horizontal
+        verticalAlign="center"
+      >
+        <Stack horizontal verticalAlign="center">
+          <Image src={CopilotIcon} />
+          <Text style={{ marginLeft: "5px", fontWeight: "bold" }}>Copilot</Text>
+          <Text
+            style={{
+              background: "#f0f0f0",
+              fontSize: "10px",
+              padding: "2px 4px",
+              marginLeft: "5px",
+              borderRadius: "8px",
+            }}
+          >
+            Preview
+          </Text>
+        </Stack>
+        <IconButton
+          onClick={() => setShowDeleteHistoryModal(true)}
+          iconProps={{ iconName: "History" }}
+          title="Delete history"
+          ariaLabel="Delete history"
+          style={{ color: "#424242", verticalAlign: "middle" }}
+          disabled={chatMessages.length === 0}
+        />
+        <IconButton
+          onClick={() => setShowCopilotSidebar(false)}
+          iconProps={{ iconName: "Cancel" }}
+          title="Exit"
+          ariaLabel="Exit"
+          style={{ color: "#424242", verticalAlign: "middle" }}
+        />
       </Stack>
-      <IconButton
-        onClick={() => setShowCopilotSidebar(false)}
-        iconProps={{ iconName: "Cancel" }}
-        title="Exit"
-        ariaLabel="Exit"
-        style={{ color: "#424242", verticalAlign: "middle" }}
-      />
-    </Stack>
+      {getDeleteHistoryModal()}
+    </>
   );
 };