diff --git a/litellm/proxy/image_endpoints/endpoints.py b/litellm/proxy/image_endpoints/endpoints.py
index b9580ba3948..e20efe52bec 100644
--- a/litellm/proxy/image_endpoints/endpoints.py
+++ b/litellm/proxy/image_endpoints/endpoints.py
@@ -320,9 +320,11 @@ async def image_edit_api(
                 detail=f"'{_field}' must be provided as a multipart file upload, not a string.",
             )
 
-    # Ensure prompt exists in data (default to None for models that don't require it)
+    # Ensure prompt and image exist in data (default to None for models that don't require them)
     if "prompt" not in data:
         data["prompt"] = None
+    if "image" not in data:
+        data["image"] = None
 
     data["model"] = (
         model
diff --git a/tests/test_litellm/proxy/image_endpoints/test_endpoints.py b/tests/test_litellm/proxy/image_endpoints/test_endpoints.py
index ad0901e9eee..f4aebecc11e 100644
--- a/tests/test_litellm/proxy/image_endpoints/test_endpoints.py
+++ b/tests/test_litellm/proxy/image_endpoints/test_endpoints.py
@@ -222,6 +222,28 @@ def test_image_edit_multipart_n_that_is_not_a_number_is_left_alone(monkeypatch):
     assert captured["n"] == "two"
 
 
+@pytest.mark.parametrize(
+    "files, form, missing",
+    [
+        ({}, {"model": "stability.stable-style-transfer-v1:0", "prompt": "oil painting"}, "image"),
+        (
+            {"image": ("tree.png", b"\x89PNG\r\n\x1a\n", "image/png")},
+            {"model": "stability.stable-image-remove-background-v1:0"},
+            "prompt",
+        ),
+    ],
+)
+def test_image_edit_without_an_optional_field_reaches_the_provider_with_it_set_to_none(
+    monkeypatch, files, form, missing
+):
+    captured: Dict[str, Any] = {}
+
+    response = _image_edit_client(monkeypatch, captured).post("/v1/images/edits", files=files or None, data=form)
+
+    assert response.status_code == 200, response.text
+    assert missing in captured and captured[missing] is None, captured
+
+
 @pytest.mark.asyncio
 async def test_a_model_the_router_cannot_serve_answers_an_openai_typed_error(monkeypatch: pytest.MonkeyPatch):
     """A bare HTTPException carries no type or param, so the tail used to ship the
@@ -290,7 +312,9 @@ async def test_failure_log_carries_the_callers_litellm_call_id(
     async def fake_add_litellm_data_to_request(**kwargs: object) -> object:
         return kwargs["data"]
 
-    async def fake_pre_call_hook(*, user_api_key_dict: UserAPIKeyAuth, data: dict[str, object], call_type: str) -> dict[str, object]:
+    async def fake_pre_call_hook(
+        *, user_api_key_dict: UserAPIKeyAuth, data: dict[str, object], call_type: str
+    ) -> dict[str, object]:
         return data
 
     async def fake_post_call_failure_hook(**_: object) -> None:
@@ -327,7 +351,9 @@ async def test_failure_log_carries_the_callers_litellm_call_id(
     )
 
     with caplog.at_level(logging.ERROR, logger="LiteLLM Proxy"), pytest.raises(ProxyException) as raised:
-        await endpoints.image_generation(request=request, fastapi_response=Response(), user_api_key_dict=UserAPIKeyAuth())
+        await endpoints.image_generation(
+            request=request, fastapi_response=Response(), user_api_key_dict=UserAPIKeyAuth()
+        )
 
     assert raised.value.headers["x-litellm-call-id"] == call_id
     record = next(r for r in caplog.records if "Exception occured" in r.getMessage())
@@ -378,7 +404,9 @@ async def test_failure_before_the_provider_call_bills_the_callers_litellm_call_i
     )
 
     with pytest.raises(ProxyException) as raised:
-        await endpoints.image_generation(request=request, fastapi_response=Response(), user_api_key_dict=UserAPIKeyAuth())
+        await endpoints.image_generation(
+            request=request, fastapi_response=Response(), user_api_key_dict=UserAPIKeyAuth()
+        )
 
     assert raised.value.headers["x-litellm-call-id"] == call_id
     assert [data["litellm_call_id"] for data in hook_request_data] == [call_id]