Katy Perry Duets With Elmo

Damn Sesame Street never looked soo good!

Hot on the heels of her # 1 album debut, Katy Perry stopped by Sesame Street to play dress up with Elmo. Watch the ultimate California girl get stuck in a game of tag and sing a new rendition of "Hot N' Cold" with America's favorite furry friend. The episode will air in full on PBS on 12/31, 1/31 and 3/31.