Kristen Stewart and Robert Pattinson in The Twilight Saga: Breaking Dawn - Part 2
Stewart said she was disappointed about the limitations of a PG-13 rating. "In the second one [Breaking Dawn -- Part 2], we just wanted to be animals," the actress said at Comic-Con of her sex scenes with Pattinson. "We're not human anymore. How do you do that? We tried, and they told us it was rated R, and we were like [snaps fingers]."