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2011 Billboard Music Awards - Show

Slide 1 of 250: Singers Rihanna and <a href=/celebrities/celebrity/britney-spears/ type="Msn.Entertain.Server.WebControls.LinkableMoviePerson" Arg="62361" LinkType="Page">Britney Spears</a> perform onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada.

Singers Rihanna and Britney Spears perform onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada.
© Kevin Mazur/WireImage.com
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