Together "now" does not mean together "forever". Hollywood has seen many celebrity couples who have committed but cheated on their partners. Let's take a look at Hollywood's most notorious celebrities! <br /><br />For daily dose of entertainment news log on to: http://www.lehren.co <br />Like our Updates: http://www.facebook.com/LehrenEntertainment <br />Follow our tweets: https://twitter.com/lehrentv