VVAUGHN100307_01.JPGVince Vaughn VVAUGHN100307_04.JPGThis Wedding Crasher really knows how to party on and off camera! We caught Jennifer Aniston's ex Vince Vaughn at a bar in Hollywood, and aside from dancing and partying, it looks like Vince met a girl! Talk about a smooth operator - the hat-wearin' hottie looks smitten with him already!