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Katy Perry and Greg James on stage during the Radio 1 Teen Awards, at the Hammersmith Apollo, London Stock Photo - Alamy
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Katy Perry Radio Interview | Celebrity Interview | | MarkMeets | Entertainment, Music, Movie, TV & London Film Premiere News
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Katy Perry Shows Off Midriff in Flashy Outfit at Radio 1's Big Weekend!: Photo 679703 | Katy Perry Pictures | Just Jared Jr.
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Stream Katy Perry - Roar (Studio Version - BBC Radio 1's Big Weekend 2017) (Pitch +1)[Buy] by MLCHE | Listen online for free on SoundCloud
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Stream Katy Leaks | Listen to Katy Perry - BBC Radio 1's Big Weekend Glasgow 2014 [Live Acapellas] playlist online for free on SoundCloud
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Katy Perry talks to Radio 1 about dueting with Rihanna, turning into her Nan and beating Beyonce - Mirror Online
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