Katy Perry ... is that you?

The "Fireworks" songstress has scored a guest starring role on Raising Hope.

In the episode on the hit Fox series, Perry is playing a prison guard who claims to be friend's with the show's character Sabrina. Check out that 'do!

When asked about how Katy did on the show, Executive Producer Greg Garcia said, "... she came in and did a terrific job. She was hilarious."

After seeing this get-up, we believe it!