Olivia Wilde has filed for divorce from Tao Ruspoli, the Italian prince she married eight years ago, People reports. In papers filed in Los Angeles on March 3, the TRON: Legacy star cited irreconcilable differences as the reason for the split, and also requested that the court deny spousal support for Ruspoli. They announced their separation in February.

Justin Timberlake, 30, and Jessica Biel, 29, have ended their relationship after four years of dating. Reps for the former couple issued this joint statement today: “Addressing the media speculation regarding Jessica Biel and Justin Timberlake’s relationship, we are confirming that they mutually have decided to part ways. The two remain friends and continue to hold the highest level of love and respect for each other.”

Less than two months after Sophie Monk, 31, announced she would wed 50-year-old businessman Jimmy Esebag, the model told Chelsea Handler that the two have called off their engagement. During an episode of Chelsea Lately taped Sunday, Monk told the talk show host, “I’m newly single.” The news became public after audience members began tweeting Monk’s comments. This was the second time Monk was engaged: Ex-fiancé Benji Madden proposed to Monk in 2006 before they parted ways.

Read more:
Sophie Monk to marry 50-year-old businessman

It’s a big day for big-name divorces in Hollywood: The same day Camille and Kelsey Grammer’s split became official, a judge in Los Angeles finalized Charlie Sheen’s divorce from Brooke Mueller Sheen, according to the Associated Press. (Both Charlie and Brooke will be officially single come May 2.) Both filed for divorce in November, almost a year after the Two and a Half Men actor was arrested on suspicion of domestic violence on Christmas Day 2009. (The actor was on probation for 30 days following the arrest.)

The divorce comes almost two weeks after Sheen checked himself into rehab after being briefly hospitalized for severe pain.

Read more:
Will Charlie Sheen pay out of work ‘Men’ crew?
Charlie Sheen: ‘I have a lot of work to do’
How Charlie Sheen’s rehab impacts CBS’ ‘Men’
Charlie Sheen enters rehab, ‘Two and a Half Men’ goes on hiatus
Charlie Sheen: What ‘Men’ can (and can’t) do to help its biggest star
Charlie Sheen suffers ‘severe abdominal pains,’ rushed to hospital
CBS president on Charlie Sheen: ‘We have a high level of concern’
However he may have spent the weekend, Charlie Sheen’s at work, his publicist says
Charlie Sheen vs. Mel Gibson: Sometimes the industry, and the audience, WANTS a ‘degenerate’

Kelsey Grammer has been granted a fast-track divorce from ex Camille Grammer by a Los Angeles judge Thursday, People reports. Camille, star of Real Housewives of Beverly Hills, filed for divorce in July; the actor asked to expedite the proceedings so he could marry fiancée Kayte Walsh at the end of February. Camille and Kelsey have yet to reach a settlement over how to divide their assets.

UPDATE: Camille Grammer released a statement today after news hit of their official divorce: “I have a great many mixed feelings about today. I’m sad for what was, yet excited about the road ahead. I’m grateful to my family and friends who have stood by me through this time. I will never forget their love and support. What I most hope is that Kelsey and I can improve our communications and truly co-parent our two wonderful children. And I wish Kelsey and Kayte love and happiness in their new marriage.”

Read more:
Kelsey Grammer schedules wedding, is not yet officially divorced
Kelsey Grammer talks love on ‘Regis & Kelly’; Camille Grammer to talk divorce on ‘Housewives.’ Who’s on top?
Kelsey Grammer comments on engagement to Kayte Walsh: ‘We are in love’
Camille Grammer on becoming a Real Housewife: ‘I didn’t want to do the show … Kelsey wanted me to do it.’

Ashlee Simpson-Wentz will be a Wentz no more: The singer has filed for divorce from her husband, Fall Out Boy’s Pete Wentz, People reports. “After careful consideration, we have made the difficult decision to file for divorce,” the pair said in a statement. “We remain friends and deeply committed and loving parents to our son Bronx, whose happiness and well-being remains our No. 1 priority. We ask that everyone honor our privacy as we navigate this next phase of our lives.”

Wentz and Simpson-Wentz had been married for over two years; their son, Bronx, is two years old.

People is reporting that actors Jude Law and Sienna Miller have ended their on-again, off-again relationship. The couple split off a 2004 engagement in 2006, but had rekindled their relationship in 2009.

Law & Order: Los Angeles star Terrence Howard’s marriage with wife Michelle is over, People reports. Michelle filed divorce papers citing “irreconcilable differences” Jan. 27 in Los Angeles. They’ve been married nearly a year; Michelle is seeking spousal support.

Eva Longoria and San Antonio Spurs basketball player Tony Parker are officially divorced, People reports. The couple split in November, three years after tying the knot in Europe. In the divorce papers — which cited “irreconcilable differences” as the reason for the split — Longoria sought support from Parker. Longoria’s marriage to Parker was her second; she married soap actor Tyler Christopher in 2002. (The pair divorced two years later.)