Photos of Eva Longoria, Tony Parker, Rachel Bilson, Hayden Christensen at the 2009 French Open in Paris

Love was in the air in Paris on Friday, as the stars kissed and cuddled at the French Open. Eva Longoria and Tony Parker couldn't keep their hands or lips off each other, continuing their romantic trip through Europe. Affianced couple Hayden Christensen and Rachel Bilson was also in the crowd, keeping the sun out of their eyes in their matching Ray-Bans — get Rachel's look here. If Rachel and Hayden are looking to plan their wedding overseas, perhaps they could get a few tips from Eva and Tony between matches.