Ingrid Bergman
Bergman was originally married to Peter Lindstrom when she began working with Roberto Rossellini on the film Stromboli, and the couple divorced later that year. Everything went into shock when it was revealed that she had an affair with him and that she was pregnant with his child! In order to get married, the couple divorced their respective partners and remarried. Bergman initially received negative feedback from her fans, but she was able to win them back after winning her second Academy Award for Anastasia.
David Letterman
The fact that Letterman had been having sexual relations with female staff members was revealed after he was extorted into confessing his sins. The attempted blackmailer threatened that if he didn’t pay $2 Million, the whole thing would come out. At the time, Letterman was dating Regina Lasko, with whom he would later marry and have two children.