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Serena Williams of the U.S. celebrates after defeating Azarenka of Belarus in their women's singles final match at the U.S. Open tennis championships in New York

Serena Williams of the U.S. celebrates after defeating Victoria Azarenka of Belarus in their women's singles final match at the U.S. Open tennis championships in New York September 8, 2013. REUTERS/Adam Hunger

Serena Williams wins US Open

Serena Williams raised her Grand Slam singles title count to 17, collecting a $3.6 million prize, including a $1 million bonus for producing the best results during the North American summer hard-court circuit leading up to the U.S. Open.