Britney Spears's OMG Moments

Her striptease! Her shocking videos! Her split from The X Factor and Jason Trawick! Look back at the star's biggest jaw-droppers

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Taking her act on the road again, the Femme Fatale tour kicks off in Sacramento, Calif., on June 16, 2011, with Rolling Stone declaring, "The night belonged to Britney." In October, Joe Jonas comes aboard as Spears's opening act, and receives a lap dance from the star. "It's a dream come true," he says.