mel gibson aug 2011 gi Mel Gibson gives up $425 million in divorce settlementMel Gibson has mad a lot of bad decisions in his life. There was his notorious drunken tirade against a Malibu cop. There was his recent film “The Beaver” about a guy who talks through a hand puppet. But these all pale in comparison to his decision not to secure a prenup with his now ex-wife Robyn. That decision ended up costing him $425 million.

In a divorce settlement that was finalized on Friday (Dec. 23), the Oscar winner had to fork over half of his $850 million fortune to his wife of 31 years, People magazine is reporting. To make matters worse for Gibson, his ex-wife is also entitled to half of his future residuals for the rest of his life.

The two filed for divorce in 2009. They have seven children together. Since their break-up, Gibson entered into another doomed relationship, that with Oksana Grigorieva. That highly-publicized mess resulted in a $750,000 payout from Gibson.

Depending on how you define entertainment, Gibson’s divorce could be the costliest of all time for a celebrity couple. It clearly blows away Neil Diamond’s split from Marcia Murphey in 1995 that cost the “Jazz Singer” star around $150 million. But the most expensive is Rupert Murdoch’s divorce from wife Anna. That set him back nearly $2 billion.

So it could be worse.

Posted by:David Eckstein