Last night on Late Show with David Letterman, Robert Pattinson suggests he might be a "brony." He admits that despite all the sunshine during the filming of Twilight: Breaking Dawn in Brazil, he just couldn't get himself to "sparkle." You know, like My Little Pony. Plus: Julie Bowen demonstrates just how professional Sofia Vergara is; Seth Meyers judges Stephen Colbert's acting chops for a hosting gig on Saturday Night Live; and Jason Segel used to have a puppet stash. Watch our compilation to see what you missed.