Someone had a great Valentine's Day! Who? Katy Perry and John Mayer of course. The couple was seen leaving dinner at Sunset Towers in LA on Friday night and according to witnesses, Perry had a nice looking rock on her left ring finger! Could this be the engagement we've been waiting for?

Unfortunately, the rumors may not be true. Mayer has told E! that he hasn't popped the question yet but the couple seems really happy and that's all that matters right?

Full Story: E! Online