Kirilenko, Ivanovic, and Sharapova are the hottest in the draw for sure.
I find Sloane Stephens surprisingly attractive as well. Robson is sexy when made up.
As for the actual tennis...
On the men's side, I don't see anyone except the top 3 being contenders.
On the women's side, I think it'll be between Serena, Azarenka, and Sharapova. Keep an eye out for Madison Keys; this girl could be the next Serena.