Jason Biggs separates with Jenny Mollen following weight loss and sobriety shift

Jason Biggs and Jenny Mollen split after 18 years, with sources citing lost spark, sobriety and lifestyle changes

Jason Biggs and Jenny Mollen have ended their nearly 18-year marriage, with sources attributing the separation to a gradual loss of connection as the actor underwent major personal changes, including sobriety and weight loss.

According to an insider cited by Star Magazine, Biggs has recently focused on a healthier lifestyle and personal stability, which reportedly contributed to a shift in priorities.

The source stated, “And Jason’s the first to admit he’s a changed person these days, having shed a lot of weight and being proudly sober,” adding, “He wants to eliminate any source of stress from his life, and it just wasn’t going to work for him, sticking in a marriage that had lost its spark.”

Reports suggest the decision was not driven by conflict but by a mutual recognition that the relationship had evolved in different directions over time.

Despite the separation, both Biggs and Mollen are said to remain committed to maintaining a respectful relationship co-parenting their two sons, Sid, 12, and Lazlo, 8.

The couple first met while filming the 2008 romantic comedy My Best Friend’s Girl and later built a long-term partnership spanning nearly two decades.

Sources close to them have described the split as amicable, with continued emphasis on family stability and friendship.

Recent reports indicate the pair have continued to appear on good terms, including spending time together around Biggs’ 48th birthday, with insiders noting that their focus remains on avoiding conflict and supporting their children.

Mollen has previously spoken about personal challenges within the marriage, including feeling overshadowed by Biggs’ public profile. 

Despite these reflections, sources maintain that both parties remain aligned on co-parenting and preserving a functional post-marriage relationship, with no reported dispute over finances or custody arrangements.