Last year, Jenny Mollen and Jason Biggs’ marriage was still baking. The writer gushed over the “American Pie” star on his birthday just twelve months before they split after 18 years of marriage . “This is a pic of us at your surprise thirtieth,” Mollen penned on Instagram in May 2025. “We were married and yet I still knew practically nothing about you. Like for example, the fact that you hate surprises. Luckily, we made it past that hurdle. Happy 47th, I promise I planned nothing.” The actress last posted a video of Biggs in March while joining in on a social media trend that showcased what life was like in the ’90s. Jenny Mollen sweetly praised Jason Biggs on his birthday (as pictured here) just one year before the pair called it quits after 18 years of marriage. Jenny Mollen/Instagram “This is a pic of us at your surprise thirtieth,” the writer (pictured here with the actor in 2025) wrote. “We were married and yet I still knew practically nothing about you.…