Actor Charlie Sheen and his wife, actress Brooke Mueller, filed separate petitions for divorce on Monday. Mueller is seeking primary physical custody of their two kids, while Sheen wants primary physical custody of any and all cocaine and porn stars.

Gunvalson, the blustery matriarch of Real Housewives of Orange County, has filed for divorce from her husband of 16 years, Donn. And this is after they had a super-sexy vows renewal! Man, nothing gold can stay, huh? You're next, Alexis.

David Arquette is "begging" Courteney Cox to get back together with him. He's so torn up, he called his good friend Howard Stern to talk about it—and dished about their sex lives, "methodical" lovemaking, and extramarital relationships.

This week's plague of celebrity break-ups continues with an Us Weekly report that Christina Aguilera and husband Jordan Bratman "have been separated for a few months." (Was this photograph staged, then?) The couple met in 2002 and married in 2005.

The Huffington Post's starting a "Divorce" section. Editors: Nora Ephron and Willow Bay. What an...honor.

Hauled into Divorce Court by her lying, cheating husband, Madea Family Reunion actress D'Atra Hicks began to moan. Then she wailed. Then closed her eyes and unleashed a bluesy, brokenhearted tune that would put Amy Winehouse to shame.

An advertisement for a Florida law firm: "If you and your spouse hate each other like poison and want to get out of the hellhole you call a marriage, you've come to the right place." Not pulling any punches here!

Amoral, bigoted Newt Gingrich is the subject of a new Esquire profile in which his second wife (he's on the third now) dishes about their 2000 divorce. Shorter version: Newt Gingrich is a special kind of asshole.

Daniel Boulud—world-renowned chef, restaurateur, and occasional Top Chef guest judge—is adding another title to his resume: divorcé.

A couple's chances of divorce are increased by 75% if a close friend or colleague of one partner gets a divorce, according to researchers. Does this mean that Al Gore, Tiger Woods, and Kelsey Grammar are bros? [Daily Mail]

Sandra Bullock and Jesse James have officially ended their marriage, reports TMZ, due to "discord or conflict of personalities." The paperwork has apparently been signed, sealed, and delivered. [TMZ]

Finally, someone takes the bait on Al and Tipper Gore's divorce by starting an adultery rumor: Star says Inconvenient Truth producer Laurie David—also the cheating ex-wife of Seinfeld creator Larry David—"went from friends to lovers" with Al.

CNN anchor John Roberts says that Al and Tipper Gore's marriage first began to unravel during the stress of the 2000 presidential election and subsequent recount. Mark Halperin suggests that it may have been their son's 2007 drug arrest. Well?

Whoa: Al and Tipper Gore are separating after 40 years of marriage.

For two decades, Charlie Sheen's personal life has been a battlefield of bitter ex-wives, broken engagements, porn stars, hookers, drug-fueled orgies, and domestic discord. No wonder his prenup—which we revealed yesterday—is so obsessed with minimizing risk.

Charlie Sheen and Brooke Mueller deny they're divorcing, even as they live apart following Sheen's domestic assault arrest, two stints in rehab, and rumors of call girl trysts. We have a copy of the couple's prenup and a possible explanation.

[Jesse James reacts to Sandra Bullock announcing their divorce and her now single-parent adoption: "The decision to let my wife end our marriage, and continue the adoption of Louis on her own, has been the hardest." Image: Pacific Coast News]

Bruce Springsteen is so Jersey, he met his alleged mistress at a gym, where he would stand behind her on the treadmill and watch her "nicest ass" churn, according to court papers from the woman's divorce.

The Way We Live Now: Treadin' on a treadmill made of sand. Since we're ex-cons and can't get jobs we got foreclosed on and moved from the shelter into mom's place, but we're still to poor to get divorced. MEH.

First South Carolina Governor Mark Sanford was born. Later, he pretended to be hiking the Appalachian Trail when in fact schtupping the Argentinian woman. Then his wife wrote a disparaging book. Now their divorce proceedings will be on TV.