For several years, the pair appeared to be the picture of wedded bliss, settling down with Allen's two children, Ethel and Marnie, in a Brooklyn townhouse that the duo completely transformed into a "weird and wonderful" paradise filled with eccentric decor.

Lily Allen and David Harbour are separating four years after they married in September 2024, multiple sources confirm to PEOPLE. "Her marriage has been crumbling," an insider tells PEOPLE exclusively,

Is it officially over for Lily Allen and David Harbour? Following weeks of rumors of a split between the couple, People reports that the "Smile" singer and the "Stranger Things" star have called it quits,

David Harbour made his red carpet return at the Critics' Choice Awards in California following news of his marriage breakdown to Lily Allen and seemed to confirm the news by not wearing his ring

Reps for Allen and Harbour did not immediately respond to PEOPLE's request for comment. The couple tied the knot in September 2020, but "her marriage has been crumbling, and they

David Harbour attends the 2025 Critics Choice Awards without his wedding ring after his split from Lily Allen.

The “Smile” singer and the “Stranger Things” star, who met on a dating app, have called it quits after tying the knot in Las Vegas in 2020.

Stranger Things star David Harbour attended the Critics Choice Awards 2025 in Santa Monica Feb. 7, marking his first appearance since his reported breakup with wife Lily Allen.

David Harbour has seemingly confirmedhis split from Lily Allen with a solo appearance at the Critics Choice Awards.