The song appears as a digital reissue bonus track on Mabel's debut studio album High Expectations (2019).

[5] Musically, "Boyfriend" is an empowering upbeat pop anthem with a bumping production.

The song's accompanying music video was directed by Isaac Rentz and was released on 26 February 2020.

[8][9] According to Mabel the video for "Boyfriend" was inspired by late American singer Aaliyah.

[10] It sees Mabel make her ideal boyfriend in an underground computer laboratory.