WIMBLEDON, ENGLAND - JULY 04: Serena Williams of USA celebrate victory playing with Venus Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4.