The actor also revealed that filming for the final Twilight films, Breaking Dawn parts one and two, has now finished.
"I'm sure we will have to do something," he said. "We finished a week and a half ago. All done.
"Yeah, she (Kristen Stewart) loved that [wedding] scene. It's a very girly scene.
"I do quite a few scenes with a baby and that's quite odd. It's so different in those movies because we were doing it with a real baby. But it was fun."
More at BBC. Rob talks about making romantic comedies, action movies, and 'Water For Elephants.'