Well, sorta - they were both at the premiere of Matt's new film The Bourne Ultimatum at the Arclight last night! Matt generously signed autographs for fans before sneaking out with his wife Luciana, leaving Ben and Jen behind! But rumor has it the BFFs might team up to write another screenplay, now that they're both stars in their own right (in Ben's case, a little faded, but a star nonetheless), the question is, would they appear in it together?