Jason Biggs and his wife, Jenny Mollen, have called it quits after 18 years of marriage, Page Six can confirm.

The couple remains on great terms and is focused on raising their two sons, Lazlo, 8, and Sid, 12, their spokesperson told us Thursday.

Additionally, an insider told People that the exes spent the “American Pie” star’s 48th birthday together on Tuesday.

“They are very much connected,” the source said. “I have no doubt that they will remain on excellent terms.”

Biggs, 48, and Mollen, 46, first crossed paths while working together on the 2008 Howard Deutch-directed film “My Best Friend’s Girl,” which was filmed the year prior.

They were engaged by January 2008 and quickly eloped during a private ceremony hosted that April.

The actor’s renewed their vows in front of their family and friends in Napa, California, in July 2008.

This story is developing …