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.

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

"Just because the show's 30, it doesn't make it a boomer," the 'Stranger Things' actor teased of the award show

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

Lily announced that she’d be taking a break from her podcast amid a “really, really hard” time in her personal life.

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

The rumors had been going around for months, but finally, in February 2025, it was confirmed that Lily Allen and David Harbour are actually breaking up.

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