Katy Perry starred in The Muppets (Musical comedy Film)The Muppets (Musical comedy Film) is starring Katy PerryKaty Perry : `Starring TV role`: The X Factor (U.S.). The X Factor (U.S.) has genre Reality television
[Human]: I think Katy Perry is the best singer ever. What do you think? [Assistant]: Nope, I disagree. I like Katie Melua better. But I think it is funny that Katy Perry starred in the Muppets! [Human]: I guess Katie Melua is okay too. Yes Katy Perry is also an awesome actress, she does it all! 
Yes, she was a director in The Muppets musical comedy film. She also directed and produced episodes of The X Factor (U.S.), which is a reality television show.