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Mel Gibson and Robyn Moore
Even before the foofaraw with Oksana, Mel butted heads with Robyn, his wife of 26 years, when they split up in 2006. Again, the details of the divorce are private, but depending on how the settlement worked out, Robyn could have profited more than anyone else on this list. People magazine reports that as of 2006, Gibson was worth about $1 billion, and the couple likely didn't sign a prenup. But if Robyn walked away with $500 million, she's wisely keeping quiet about it.
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