Rihanna 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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