Rihanna performs at the MTV Video Music Awards on Thursday, Sept. 6, 

Rihanna performs at the MTV Video Music Awards on Thursday, Sept. 6, 2012, in Los Angeles. (Photo by Matt Sayles/Invision/AP)
Associated Press
Rihanna performs at the MTV Video Music Awards on Thursday, Sept. 6, 2012, in Los Angeles. (Photo by Matt Sayles/Invision/AP)
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