Ubisoft takes us behind the scenes of one of the famous concerts of Katy Perry, the U.S. pop singer became a star in recent years, struggling with their tour and the single Teenage Dream. Katy tells us about his life as a star and its quotidianetà, including gym, singing commitments, meetings and interviews. All this makes for Just Dance surround 3 which will offer two exclusive songs from Perry (ET and Teenage Dream), for the moment only available for the American chain Best Buy.

Just Dance 3 - Behind the Scenes: Katy Perry | HD version