TMZ is reporting that Robyn Gibson, wife of Mel Gibson for the past 29 years or so, has filed for divorce today citing “irreconcilable differences” as the reasons for the split … which is very interesting because just about a month ago, new photos surfaced of pious Mel frolicking on a beach in Costa Rica with a much younger, bikini-clad woman. HMMM.

We’ve learned Mel Gibson’s wife Robyn has just filed legal papers to divorce Mel Gibson, her husband of 28 years, citing “irreconcilable differences.” Pretty ironic — Robyn signed the papers the day before Good Friday. Sources tell us there is no prenuptial agreement — they were married in 1980, before Mel Gibson amassed a fortune estimated at $900 million back in 2006. Under the laws of California, community property — which includes earnings — is divided 50/50. The Gibson’s have 7 children, but only one — Tom, who turns 10 tomorrow — is a minor. In Robyn’s legal papers, filed this morning in L.A. County Superior Court, she seeks joint physical and legal custody of Tom. Robyn is also asking for spousal support and attorneys fees. Robyn lists the date of separation as “to be determined.” This is important, because earnings generally cease to be community property when the couple separates. There could be a skirmish over this. We’re told the couple grew increasingly apart over the last few years, especially since Mel’s drunk driving arrest in 2006. There have been reports that Mel has been involved with another woman, which the actor denies, but we’re told the reasons for the divorce go beyond any third party. If there is a fight, Robyn is in good hands — she’s repped by disso-queen Laura Wasser, who has handled divorces for the likes of Angelina Jolie, Britney Spears and Stevie Wonder.

While the reasons for the divorce “go beyond any third party” that doesn’t mean that Laura Wasser (who is an excellent attorney) won’t use that bit of information to her client’s greatest benefit. The way it sounds from this initial information provided, Robyn Gibson seems to be in a great position for a huge pay day … but considering the drama caused by Mel‘s DUI arrest a few years ago, I’m actually surprised she stayed with him this long. Break-ups are never fun but sometimes they are just inevitable.

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