"Our Song" is a song by English singer-songwriter Anne-Marie and Irish singer-songwriter Niall Horan. It was released on 21 May 2021 as the third single from the former's second studio album, Therapy (2021). Produced by TMS, "Our Song" was written by the two singers along with Philip Plested and the three members of TMS. The ballad's lyrics have the vocalists reminiscing about a past relationship.
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. The song was announced on 13 May 2021, with the singers posting a 10-second clip on Twitter.
"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.
The pair performed "Our Song" for BBC Radio 1's Big Weekend, on The Jonathan Ross Show, and on The Tonight Show Starring Jimmy Fallon.
On the UK Singles Chart, "Our Song" peaked at number 13, giving Anne-Marie her ninth and Horan his third top 20 hit. On the Irish Singles Chart, the song debuted at number 10 and latter peaked at number 7, giving Anne-Marie her fourth and Horan his sixth top-10 entry.