Paltrow Strips to Lingerie in 'Thanks for Sharing'

Gwyneth Paltrow's sexy new role in Thanks for Sharing is sure to get plenty of people talking, in which she plays Phoebe, the girlfriend of recovering sex addict Adam (Mark Ruffalo).

Pics: Gwyneth Paltrow's Best Looks Ever

In the new trailer that debuted Wednesday, Paltrow, 40, shows off her Tracy Anderson-toned body and strips down to nothing but black lingerie ... but what would probably make most men in the world happy, turns out to have a much more interesting effect on Ruffalo.

Check out the trailer below for his both surprising and sad reaction, and for a first look at what appears to be stellar performances from Pink, Tim Robbins and Jobs star Josh Gad.

Related: Gwyneth Paltrow's Shocking Sex Tip for Couples

Thanks for Sharing opens in theaters on September 20, 2013.