World No 1 WilliamsSerena Williams appears in the April issue of US Vogue . The American admits 'You 're a target when you 're number one ' Serena Williams is pleased to have tennis rival Caroline Wozniacki as a friend .
World No 1 Serena Williams appears in the April issue of US Vogue . The American admits 'You 're a target when you 're number one ' Williams is pleased to have tennis rival Caroline Wozniacki as a friend .