David Harbour stepped out for the first time since his split from Lily Harbour at the Critics Choice Awards. A source exclusively confirmed to PEOPLE on Feb. 3 that Harbour and Allen were parting ways after four years of marriage.

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.

In recent months, rumours have swirled online suggesting the Smile singer and Stranger Things actor were having marital problems. And in a report published by People on Monday, sources claimed Allen and Harbour have separated after four years of marriage.

Lile Allen is "devastated" after she and husband David Harbour separated, an insider tells PEOPLE exclusively. The "Smile" singer and the 'Stranger Things' actor were first linked in January 2019, and they married in September 2020.

Stranger Things star David Harbour seemed to confirm rumors that he and his wife Lily Allen have split, as he arrived at the Critics' Choice Awards in Santa Monica, California, without her.

Covered in vibrant, floral wallpapers in every room, topped with crystal chandeliers, odd portraits, and more. This home became a hit on everyone’s Pinterest boards. (Plus, it had so many amenities like a gated backyard with a sauna, walk-in closets, long bookshelves, and more.)

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.

Lily Allen and David Harbour are calling it quits after four years of marriage, multiple sources have confirmed to People.

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

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

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.