"Pop Phenomenon" doesn't come close to describing Britney Spears.

Celebs arrive at the 2008 MTV Video Music Awards in L.A.

(Agencies)
Updated: 2008-09-08 08:53

Singer Rihanna arrives at the 2008 MTV Video Music Awards in Los Angeles September 7, 2008. [Agencies]

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  Justin Bieber performs during his concert

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  Singer Shakira performs during a concert in Barcelona

  

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