Kristen Stewart is keeping busy and hopefully, her mind off of the summer’s biggest breakup between her and Rob Pattinson. According to Us Weekly, she is filming a new movie with Juliet Binoche, in which apparently, she has to strip down to her undies for a skinny dipping scene. The two ladies are filming the movie, called “Sils Maria”, in Switzerland.

These are not cute Hollywood lacy underthings, we’re talking about here. Stewart, in the picture, has a tattoo below her right elbow that was especially applied for the role, and she wore a black bra and white boy shorts underwear for the scene, while Binoche, 49, is rumored to go completely nude. Conincidently, Bionche starred opposite Stewart’s ex-boyfriend, Robert Pattinson, in the 2012 film “Cosmopolis”.

Sils Maria tells the story of an aging actress, played by Bionche, who stars in a revival of a play that made her famous, but opposite the young role she once had, which is now played by the character of Chloe Grace Moretz of “30 Rock”, “Hugo”, and “Dark Shadows” fame.

Stewart plays a supporting part as Binoche’s assistant in the Olivier Assayas-directed film. Stewart obviously has a lot of respect for her co-star, Bionche. “It takes two very particular people to have that relationship be functional — one that services the other — because Juliette Binoche is playing the actress that I assist, and she is one of the most powerful women I think I’ve ever seen in film,” Stewart told WWD in July, implying that she would have to hold her own against Bionche. “I’m going to try desperately to not be squashed by a woman like that, and it’s not going to be an easy thing.”

Kristen certainly seems to be holding her own in real life, at least. She has continued to garner movie roles and focus on her filming, not letting the stigma of “the mistress” get her down too much.

Image via youtube