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Selena Gomez, 2011 | Katy Perry, 2009

Photo By Venturelli/Ian Gavan/Getty

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Bruno Mars & The Hooligans, 2011

Photo By Ian Gavan/Getty

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Kid Rock, 2008 | James Bay, 2015

Photo By Mike Marsland/Getty

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Perez Hilton & P!nk

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Jedward

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