“8 (circle)” sticks to the numerical theme throughout 22, A Million, referencing the fact that it is the eighth song on the album, and how the number “8” consists of two circles.

The song was first performed live at the Eaux Claires Music Festival in August 2016. It was subsequently performed live on national television during the September 14, 2016 episode of The Tonight Show with Jimmy Fallon. On September 26, 2016, the studio version debuted via Annie Mac’s Hottest Record in the World segment on BBC Radio 1.