Katy Perry’s Wacky Transformation: “The Most Insane Thing She’s Ever Done”

Katy Perry is clownin’ around in a teaser for her upcoming “Birthday” music video. The official video comes out 4.24.14 and until then we get to hang with her “INSANE friends,” Goldie, Yosef, Kriss, Ace, and Mandee!

Katy tweeted:

Watch the teaser below and come back on Thursday, April 24 to watch the full “Birthday” video!

What do YOU think of this wacky vid?