[5] In October 2020, Anne-Marie posted on Instagram that she was in a recording studio with Horan; the pair ended up writing three songs together.

[1] "Our Song" was a commercial success; it peaked at number 13 on the UK singles chart, becoming Anne-Marie's ninth top 20 entry and Horan's third.

Elsewhere, it became a top ten hit on the Irish singles chart where it peaked at number 7.

The music video for "Our Song" was directed by Michael Holyk and features the two singers as Bonnie and Clyde-type lovers as they escape from the police in a Jaguar XK120.

[12] On the UK Singles Chart, "Our Song" peaked at number 13, giving Anne-Marie her ninth and Horan his third top 20 hit.