From GossipGirls.com "Enjoying a pre-Valentine's Day outing, Robert Pattinson was spotted leaving the Groucho Club in London after a late night out on the town. According to on-the-scene sources, the "Twilight" stud made his way to a cab around 3AM, and while some people didn't know who he was, others ran up to have their pictures taken with the rising British actor as he made his escape."…