Katy Perry: Cross-Dressed for 'Ellen' Before Pop Chips Event!

Katy Perry cross dresses on The Ellen DeGeneres Show after her dream of becoming a game show host comes to life in an episode airing today!

The 28-year-old singer went on the show on host Ellen‘s birthday to surprise the audience as the game show host – check out the appearance below!

“WHAT THE HECK IS GOING ON HERE?? Tune in to @TheEllenShow tomorrow to find out!” Katy tweeted along with a pic!

On Thursday (January 24), Katy hosted The Katy’s Casino Popchips Event to launch her new popchips flavor: Katy’s Kettle Corn! We can’t wait to try it!