Gwyneth Paltrow, Mark Ruffalo Kiss on Set of New Movie (PHOTOS)

Gwyneth Bikinis in Italy
Gwyneth Paltrow soaks up the sun.
Are Gwyneth Paltrow and Mark Ruffalo Hollywood’s next It couple? Well, not exactly.

But the talented actors were photographed kissing Tuesday afternoon in New York City while filming a scene for their new movie, Thanks for Sharing.

In the film, from Kids Are All Right screenwriter Stuart Blumberg, Gwyneth and Mark play two sex addicts who just so happen to fall for each other. (Something tells us the may wind up doing a lot more than just kissing.) Tim Robbins and Joley Richardson co-star.

What do you think? Will Mark and Gwyneth have sexy chemistry on-screen? Check out photos of them kissing on set, then voice your thoughts in the comments.