Jennifer Jason Leigh Files for Divorce

Just seven months after the birth of their son, Jennifer Jason Leigh is seeking to end her five-year marriage to director Noah Baumbach.

Leigh, 48, whose real name is Jennifer Morrow, filed for divorce on Nov. 15 in Los Angeles Superior Court, citing irreconcilable differences.

She’s seeking spousal support as well as primary custody of their son, Rohmer, with visitation for Baumbach.

Jennifer Jason Leigh, Director Baumbach Wed

Jennifer Jason Leigh and director Noah Baumbach have married, the new groom confirmed to PEOPLE Monday night at the premiere of his new movie.

The pair exchanged vows in Hollywood over Labor Day weekend.

“I expect to be with her the rest of my life,” Baumbach told PEOPLE at the New York Film Festival premiere of his new film The Squid and the Whale, which opens in limited release Oct. 5.