Ryan Gosling: Not Dating Michelle Williams

Ryan Gosling kisses a dance performer at the amfAR’s Cinema Against AIDS benefit gala held at the Hotel du Cap on Thursday, May 20, in Antibes, France. (UPDATE: The dancer is Blue Valentine director Derek Cianfrance‘s wife, Shannon Plumb.)

The 29-year-old Notebook star had been getting cozy with his Blue Valentine co-star Michelle Williams, sparking romantic rumors. But his rep said, “He is cozy with everyone!” While her rep told People, “They are not dating.”

Other pics include Ryan and Michelle at the “Industry In Focus – Blue Valentine” event and the Art of Elysium Paradis Dinner and Party with Rachel Bilson at the 2010 Cannes Film Festival.

15+ pictures inside of Ryan Gosling at amfAR’s Cinema against AIDS…