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Rihanna Celebrates 23rd Birthday Singing At NBA All-Star Game

2/21/2011 8:45am EST

RihannaRihanna celebrated her 23rd birthday singing for a gaggle of stars during the half-time show at the NBA All-Star Game at Los Angeles' Staples Center on Sunday.

The pop star was joined onstage by Drake and Kanye West during her performance.

Justin Bieber, Beyonce, Jay-Z, Snoop Dogg, Steven Tyler, Jack Nicholson, Warren Beatty and Dustin Hoffman were all in the crowd at the arena.




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Photo Credits: PR Photos