Katy Perry - Behind The Scenes ET Idol Performance

Watch Katy's crew prepare the ExtraTerrestrial costumes and dance choreography for her upcoming performance of "E.T." on American Idol THIS THURSDAY, 4/21!

• 2011-04-20T23:04:24+00:00
• Duración: 04:03

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Music, Katy, Perry , American , Idol , E.T. , Kanye , West , Alien , costumes, choreography , sneak peak, video, celebiryt, show, entertainemt, amazing, performance, lol, cute, omg, katy perry