Keira Knightley didn’t hesitate when she was asked to bare her breasts in new movie ‘The Edge of Love’ because she believes sex scenes are more believable when performed by naked actors.

Sienna Miller, Matthew Rhys and Keira Knightley “The Edge of Love” photocall at the 62nd Annual Edinburg Int’l Film Festival last week

more photos after the jump…

In an interview about her new film, ‘The Edge of Love’, Knightley: “I am always exposing my breasts!”