Katy Perry performs "Dark Horse" with an assist from Juicy J at the 2014 Grammy Awards.
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Katy Perry is headed to a city near you. Watch this video in promotion of her world tour now.
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Britney Spears blew everyone away during her Vegas debut last night ... everyone, but Katy Perry.
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Katy Perry and John Mayer on Ellen, talking about their music video and life.
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Katy Perry and John Mayer are interviewed on Good Morning America. Kind of cute.
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John Mayer and Katy Perry's music video for their duet "Who You Love." It's almost magical.
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Katy Perry lip-syncing at the NRJ Music Awards ... check it out!
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Katy Perry's American Music Awards performance of "Unconditionally" in 2013.
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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