We all know about this one: Arnold Schwarzenegger fathered a child in May 2011... with his maid, while he was married to Maria Shriver.
Dwyane Wade says he was on a break when he fathered a child in 2013 with a woman not named Gabrielle Union. It hasn't affected their engagement.
Dude, put a ring on Kourtney Kardashian's finger and we'll take you off this list.
The news dropped in March of 2015: Chris Brown has a baby girl with a model named Nia!
Tom Brady has two kids with Gisele. Prior to getting with the super model, though, ex-girlfriend Bridget Moynahan gave birth to the quarterback's first child.
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