Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Request: Add a celestial background to the image. a portrait of nebula from guardians of the galaxy, fantasy, sharp focus, intricate, elegant, digital painting, artstation, matte, highly detailed, concept art, illustration, ambient lighting, art by ilya kuvshinov, artgerm, alphonse mucha, and greg rutkowski

### Response:
"A portrait of Nebula from Guardians of the Galaxy, fantasy, sharp focus, intricate, elegant, digital painting, artstation, matte, highly detailed, concept art, illustration, celestial background, art by Ilya Kuvshinov, Artgerm, Alphonse Mucha, and Greg Rutkowski."

### End