DOHA, QATAR - OCTOBER 31:Serena and Venus Williams of the United States celebrate a point against Nuria Llagostera Vives and Maria Jose Martinez Sanchez of Spain during the semifinals of the Sony Ericsson WTA Championships at the Khalifa International Tennis and Squash Complex on October 31, 2009 in Doha, Qatar. Getty Images logo Getty Images 2 weeks ago

DOHA, QATAR - OCTOBER 31:Serena and Venus Williams of the United States celebrate a point against Nuria Llagostera Vives and Maria Jose Martinez Sanchez of Spain during the semifinals of the Sony Ericsson WTA Championships at the Khalifa International Tennis and Squash Complex on October 31, 2009 in Doha, Qatar.