Miley Cyrus and Katy Perry make out in concert. This is pretty much the best moment.
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Katy Perry's official music video for "Dark Horse" featuring Juicy J. What do you think of it?
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Are Katy Perry and John Mayer Engaged? The couple have been spotted out with a ring on her wedding finger.
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Katy Perry joined many other acts in honoring The Beatles for a CBS special. Watch her sing "Yesterday" here.
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Are Katy Perry and John Mayer getting engaged soon? That would be our guess.
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Vin Diesel dances to Katy Perry's new hit single "Dark Horse." Because obviously.
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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 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