The ultimate betrayal! Check out the biggest celebrity cheating bombshells through the years -- including scandals involving Kristen Stewart, Tiger Woods, Katharine McPhee and Ashton Kutcher.
Anthony Weiner resigned from Congress in June 2011 after it was revealed that he was sending sexually suggestive pictures of himself to a woman from Seattle, Washington. In July 2013, a second scandal began (also rocking his marriage with wife Huma Abedin) when more pictures of himself sexting various women surfaced while he tried running for Mayor of NYC. Weiner allegedly sent the messages under the alias "Carlos Danger." Weiner remains married to Abedin.
Credit: Dimitrios Kambouris/VF11/WireImage.com; Splash News (inset)