David Harbour (2019 -2025)

Lily Allen’s whirlwind romance with Stranger Things star David Harbour began in 2019 and moved at full speed. Just a year later, the couple tied the knot in a Las Vegas elopement in September 2020, complete with an Elvis impersonator officiating the ceremony.

By early 2025, however, the marriage had come to an end.

Allen later unpacked the breakdown of their relationship on her 2025 album, West End Girl. Across several tracks, she hinted that Harbour had coerced her into having an open marriage, but broke the rules of that arrangement.