- Watch pop singer Katy Perry do a live performance of her song "ET" featuring Kanye West on American Idol Top 7 Results show on 4-21-2011.
- Tags: Katy, Perry, ET, American, Idol, 2011, live, performance, Kanye, West, Teenage, Dream, pop, top, 7, results, show
- Views: (15472) Duration: (00:04:19) Category: Music Uploaded: 04-22-11
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