Serena Williams of the U.S. (FRONT) returns the ball, as her sister Venus watches, during their Ladies Doubles semi-final match against Cara Black of Zimbabwe and Liezel Huber of the U.S. at the Wimbledon tennis championships in London, July 3, 2009. Reuters Pictures logo Reuters Pictures 31 months ago

Serena Williams of the U.S. (FRONT) returns the ball, as her sister Venus watches, during their Ladies Doubles semi-final match against Cara Black of Zimbabwe and Liezel Huber of the U.S. at the Wimbledon tennis championships in London, July 3, 2009.