Arnold Schwarzenegger, Maria Shriver, Mildred Baena
In May, the actor/governor and journalist announced they were separating after 25 years of marriage and four kids. The reason? He secretly fathered a son, Joseph, now 13, with Mildred Baena, the family's housekeeperfor over 20 years. "I have so much love and respect for Maria," Baena later said.