It was released on 22 September 2017[3] as the third single from her debut studio album, Speak Your Mind (2018).

[5] "Heavy" is a pop song that was compared to her previous single, "Ciao Adios".

[1] The song contains tropical-influenced beats that are found in much of the singer's recent work.

[6] The song was produced by The Invisible Men, Nana Rogues,[7] Nevada, Team Salut,[8] and MNEK.

[9] Steph Evans of Earmilk wrote that the song "follows the punchy pop of "Ciao Adios," with this single giving more life to Anne-Marie's vocal power.