Lily Allen and David Harbour were together for about six years in total, and married for just over four years.

Basic timeline

  • They first got together in early 2019 after matching on the dating app Raya, with dating rumors starting around January 2019.
  • They married in Las Vegas in September 2020, in a low‑key ceremony with Lily’s kids present.
  • Their marriage effectively lasted from September 2020 until their split was confirmed in early February 2025, described as “after four years of marriage.”

So, how long were they together?

  • From first getting together in 2019 to the confirmed separation in early 2025, they were a couple for roughly six years.
  • Public reports frame the end of their relationship as the end of a four‑year marriage that had been “crumbling” for some time before the official split.

Information gathered from public forums or data available on the internet and portrayed here.