Share: Title:Katy Perry, E.T. @ American Idol (USA), 2011/04/21 Duration: 4:16 Plays: 110K views Published: 13 years ago Download MP3 Download MP4 Simillar Videos ▶️ 4:35 Katy Perry, Firework @ The Ellen Degeneres Show (usa), 2010/12/08 110K views • 13 years ago ▶️ 4:50 Katy Perry, Teenage Dream @ Teen Choice Awards (usa), 2010/08/09 110K views • 13 years ago ▶️ 4:57 Katy Perry, Teenage Dream @ Wetten, Dass..? (germany), 2010/10/02 110K views • 13 years ago ▶️ 4:08 Katy Perry, Firework @ American Music Awards (usa), 2010/11/21 110K views • 13 years ago ▶️ 3:14 Katy Perry, Waking Up In Vegas @ American Idol (usa), 2009/03/13 110K views • 13 years ago