WTA tennis stars Serena Williams, Dominika Cibulkova, Zheng Jie, Angelique Kerber, Maria Sharapova, Agnieszka Radwanska, Petra Kvitova, Victoria Azarenka, Sam Stosur, Li Na, Ana Ivanovic, and Caroline Wozniacki will be representing their countries in the upcoming London 2012 Olympics.