If Rory McElroy is not jealous, then Rory McElroy truly has ice water in his veins. Less than two weeks after the golfer called off his engagement to tennis star Caroline Wozniacki — after the invitations had been sent out — his ex-fiancee made it to Miami on Friday night after getting eliminated from the French Open and joined fellow tennis player Serena Williams and Heat center Greg Oden in postgame celebrations. Wozniacki posted the following photo on her Twitter account: