Katy Perry criticizes other pop stars getting naked and they should just put it away.
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Robert Pattinson and Katy Perry sing karaoke in 2008. They're not very good. But the clip is pure magic.
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Children's Hospital patients lip sync to Katy Perry's "Roar" in a touching and cool video. Check it out!
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Katy Perry and John Mayer are reportedly 'very serious' about each other and friends are waiting for their big announcement.
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Students at Mercy High School in Connecticut are hoping a video they made to Katy Perry's song "Roar" will win a live performance from the pop star at their school.
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The Mercy High School Tigers in Middletown, Conn., but their spin on Katy Perry's hit song "Roar."
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Katy Perry performing "Walking On Air" from her new album PRISM.
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Katy Perry has released her music video for "Roar." It's here, and it's everything we thought it would be.
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Katy Perry Biography

Katy Perry, Blonde Hair Photo
Katy Perry kissed a girl and she liked it, ladies and gentlemen. Or at least she wrote a song with those lyrics. The Californa... More »
Born
Birthplace
Santa Barbara, California
Full Name
Katheryn Elizabeth Hudson