a hollywood shocker. gibson's wife of 28 years filed for divorce citing irreconcilable difference. it-t reveals they had separated years earlier, in 2006, just after gibson's notorious dui arrest. gibson's family man image was shattered. less than three weeks after the divorce announcement, he stepped out publicly for the first time with russian-born singer oksana grigorieva. in an interview with cnn's larry king, oksana denied she had anything to do with the divorce. >> do you ever feel you caused the breakup? >> he explained to me over and over again that it was not the reason they separated, since 2006 for sure, and they were very unhappy prior to that. >> reporter: the couple soon announced they were expecting a baby.