Melissa Gilbert has filed for divorce from her husband Bruce Boxleitner after 16 years of marriage, reports People. The 47-year-old former Little House on the Prairie actress announced the couple’s separation in March, and cited irreconcilable differences in her filing on Monday in Los Angeles Superior Court. She seeks joint custody of their 15-year-old son Michael, and has requested to not pay spousal support to 61-year-old fellow actor Boxleitner, who recently appeared in TRON: Legacy. Her sister, Roseanne star Sara Gilbert, broke up with her partner of 10 years earlier this week.

John Mellencamp is officially a free cougar. His divorce with estranged wife Elaine Irwin is now official, People reports. The couple had been married 18 years; they will share custody of their 17- and 16-year-old sons.

The settlement agreement states that the couple negotiated “an amicable settlement of all issues involving property and maintenance rights, the custody and support of their children, and all other issues.” Since breaking up with Irwin, the singer has been dating Meg Ryan.

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Six months after Ryan Reynolds and Scarlett Johansson announced their separation, their two-year marriage has officially ended. Reynolds, who’s currently starring in Green Lantern, filed for divorce last December. A judge in Los Angeles finalized the divorce on Friday.

Looks like she won’t be back. Nearly two months after Maria Shriver and Arnold Schwarzenegger announced their separation, Shriver officially filed for divorce on Friday, reports People. Shriver is reportedly citing irreconcilable differences, and is calling for shared custody of the couple’s sons, Patrick, 17, and Christopher, 13. (They also have two daughters, Katherine, 21, and Christina, 19.)

In May, the former governor of California admitted to fathering a child out of wedlock with the family’s longtime housekeeper, Mildred Baena. That son is now 13. Shriver, 55, and Schwarzenegger, 63, have been married for 25 years.

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Reps for David Duchovny and wife Téa Leoni have confirmed that the actors are separated.

It’s been a rocky road for the couple since life imitated art and the Californication star, 50, checked into rehab for sexual addiction in 2008. That same year, Duchovny filed suit against the U.K.’s Daily Mail for alleging that he was having an affair with a tennis instructor. The Mail later issued a retraction. Despite the escalating scandal, Duchovny reconciled with 45-year-old Leoni after a few months apart.

Duchovny met Leoni in 1992 when they both interviewed for a guest spot on the Tonight Show. They reconnected in 1997 and married that same year. After 14 years of marriage, they have two children – daughter Madelaine West, 12, and son Kyd, 9.