Kristen Stewart & Robert Pattinson to Film Simmering Sex Scene Posted by Jeanne Sager on October 22, 2010 at 5:40 PM Kristen Stewart and Robert Pattinson are about to put their off-screen relationship to the test. New details on Breaking Dawn indicate the movie script goes beyond the book, and that means bona fide sex scenes in the fourth Twilight installment. The scenes will be more de…