Mel Gibson, Michael Douglas, Stephanie Seymour and More: Ugly Splits Heat Up in Hollywood

June 29, 2010 — -- It's splitting season in Hollywood. Stars' breakups and divorces seem to be heating up as temperatures get warmer.

Currently holding the title for the nastiest battle of them all: Mel Gibson vs. Oksana Grigorieva.

Gibson, 54, and Grigorieva, 40, split up in April after dating for more than a year. Last week, she filed a restraining order against him, claiming that he hit her at his Malibu home in January while arguing in front of their now 8-month-old daughter, Lucia. Sources close to the Russian-born singer claim that Gibson punched her in the face and broke her teeth.

But one day after Grigorieva made her case, Gibson followed up with his own restraining order. A judge upheld their recent custody agreement, which gives him overnight and unrestricted visitation rights.

"Oksana's deceitful conduct in trying to terminate Mel's access to his daughter continues," Gibson's lawyer, Stephen Kolodny, told TMZ.com Monday. "Making sensational allegations is not the way to resolve this."

Meanwhile, elsewhere in the realm of mangled celebrity marriages, former Victoria's Secret model Stephanie Seymour is in hot water after missing court-mandated drug tests in her divorce from polo player Peter Brant. Seymour, 40, got a scolding from a Connecticut judge for missing a test in March. (Her excuse: she was vacationing with two of her kids in St. Barts.) Now, according to The New York Post, Brant's lawyers want the judge to order Seymour not to drink, claiming she "has a proclivity for combining alcohol with various prescription drugs."

And Michael Douglas' ex-wife, Diandra Douglas, reportedly has her eye on the potentially hefty payday he could get from his upcoming movie. According to the Post, earlier this month, Diandra Douglas filed court papers in New York claiming she's entitled to 50 percent of her ex's upfront salary and royalties from "Wall Street: Money Never Sleeps."

She is believed to have banked $45 million from their 2000 divorce, which, according to her lawyers, stipulates that she gets half of any money Michael Douglas earns from films he made during their 20-year-long marriage. They claim that includes any spinoffs of past movies, and they argue that "Money Never Sleeps" qualifies, since it's based on 1987's "Wall Street."

His lawyer, Marilyn Chinitz, told a Manhattan Supreme Court justice that Diandra Douglas is in the wrong, since "Wall Street" and "Wall Street: Money Never Sleeps" are "not the same thing." Furthermore, 10 years after their divorce, Michael Douglas wants to be done with her.

"He doesn't want her to be an albatross around his neck forever," Chinitz told the judge.

Of course, these three couples aren't the only ones who've dealt with relationship woes. Below, check out 10 other noteworthy divorces and the salvos that make them infamous.

1. Jon Gosselin vs. Kate Gosselin

Only recently do the Gosselins seem to have declared detente -- relatively, anyway. After the couple, made famous (and then infamous) by TLC's "Jon & Kate Plus 8," split up in 2009, she cried about the mess their family had become, and he accused her of exploiting their kids. When she signed on to "Dancing With the Stars," his lawyer called Kate "an absentee mom;" her lawyer shot back, "he's out of the limelight, while 23 million people are watching Kate on 'Dancing with the Stars.'"

Kate Gosselin's since moved on to new shows: "Kate Plus 8" and "Twist of Kate." Jon Gosselin, meanwhile, has held back from bashing her directly, instead insinuating that he could dance circles around her if he were to compete on "DWTS."