15 Celebs Who Just Can’t Figure Out Monogamy

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13. Mel Gibson

Mel Gibson has been the wild card of Hollywood for some time now.

This is mostly due to his outlandish behavior, controversial comments, and of course, infidelity.

The 59-year-old actor saw his marriage of 26 years crumble after photos of him with Oksana Grigorieva surfaced.

Gibson had seven children with Roby Moore, from who he separated in 2006 and divorced in 2011.

The American actor was in a relationship with Grigorieva from 2009 to 2010. Things were even worse this time, as she had to file for a restraining order against Mel Gibson in order to protect herself and their child from his wild behavior.