All that glitters isn’t gold. The aftermath of adultery isn’t pretty for anyone involved, but when it’s a Hollywood A-lister who’s been unfaithful, it can be especially detrimental. Celebrity relationships may look just as glamorous and perfect as the actors they play on screen, but in many cases, they are just as crazy and complicated as the relationships that the rest of us are in. Fame can come at a huge cost, with the paparazzi following your every move and waiting for you take to make one big (or small) misstep. So, when a cheating scandal shows up in Hollywood, it can have pretty damaging effects for stars on and off screen. Here are seven celebrities who had affairs that ruined their careers. Their infidelity and break ups were highly publicized and took major tolls on their professional lives.