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Rihanna performs her London 777 tour gig at the Kentish Town Forum on Monday, Nov. 19, 2012, in London. (Photo by Jon Furniss/Invision/AP)

Rihanna performs her London 777 tour gig at the Kentish Town Forum on Monday, Nov. 19, 2012, in London. (Photo by Jon Furniss/Invision/AP)