Anne-Marie and Niall Horan unite on “Our Song,” a track in which they sing about a breakup with their respective significant others. They bring up a specific song that the couples have enjoyed and express how it takes them back to the time when they were together.

With both artists teasing the song frequently throughout May 2021, the song and its complete details were announced on May 13, 2021.

The official music video for the song premiered eight hours after on the same day, May 21, 2021.