As first revealed by Us Weekly Opens a New Window. , LeAnne Rimes Opens a New Window. (23/28)

LeAnne and Eddie were caught cheating at their respective spouses right after they finished shooting the movie Northern Lights.

In 2008, supermodel Christie Brinkley’s Opens a New Window. Husband of 12 years Peter Cook admitted to having an affair with his 19-year-old assistan (22/28)

John Edwards (24/28)