Jelena Ristic, the girlfriend of Novak Djokovic of Serbia, sits on Centre Court for Djokovic's men's...
Jelena Ristic, the girlfriend of Novak Djokovic of Serbia, sits on Centre Court for Djokovic's men's singles tennis match against Viktor Troicki of Serbia at the Wimbledon tennis championships in London July 2, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: ENTERTAINMENT SOCIETY SPORT TENNIS)