Ivan Reitman directs Natalie Portman and Ashton Kutcher in the romantic comedy No Strings Attached, which arrives on Blu-ray and DVD May 10th. The story follows two best friends who decide to enter into a sexual relationship, sidestepping the consequences that usually come with that. We have an exclusive clip from the featurette, which has co-stars Greta Gerwig and Jake M. Johnson talking about their sex friend roles in the film. Check it out below.