Robert Wagner, 90 – Married for 31 Years
Having acted on stage, television and on the silver screen since 1951, actor Robert Wagner has been known as the star of Hart to Hart, Switch and It Takes a Thief. More recently, however, he has guested on NCIS and Two and a Half Men.
Robert has boasted in his memoir that he has dated a bevy of famous actresses, and was engaged to Tina Sinatra. He is twice divorced and even married actress Natalie Wood twice, before her mysterious death in 1981. Since 1990, he is happily married to actress Jill St. John, even though they are friends since the 1950s.