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BNP Paribas Showdown

NEW YORK, NY - MARCH 04: Serena Williams warms-up prior to the BNP Paribas Showdown at Madison Square Garden on March 4, 2013 in New York City. (Photo by Mike Stobe/Getty Images for StarGames)

BNP Paribas Showdown

Celebrities, fans and pro tennis players come together at the BNP Paribas Showdown.