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Jennifer Lopez Performing at the 2011 American Music Awards

Video: Jennifer Lopez's Striptease Leads the 3 Must-See AMA Moments

Jennifer Lopez worked the American Music Awards stage in several sexy, sparkly numbers before thanking her babies as she accepted a trophy. J Lo's multiple performances were just some of the highlights of the night — Taylor Swift and Selena Gomez had fun singing and dancing from their seats, while Justin Bieber pulled off a surprise performance with LMFAO. Check out the show's must-see moments in PopSugar Rush.

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