4. Ben Affleck and Jennifer Garner
Ben Affleck has a well-deserved reputation as a ladies men, but his ex-wife Jennifer Garner also had quite a sordid relationship history. She had left her first husband for actor Michael Vartan, whom she met while filming Alias. However, Garner met Affleck one the set of Pearl Harbor and the two were instantly smitten. They married and had three children together. They separated in 2015. Their divorce was finalized in 2018.