Victoria Azarenka
Victoria Azarenka, a k a "Vika," scored the biggest win of her career to day by beating Serena Williams in the finals of the Sony Ericsson Open. She didn't just beat Serena, she trounced her 6-3, 6-1. In the aftermath of the win, Vika will break into the Top 10 in the WTA singles rankings for the first time.