“Let Me Go” is about letting go of a relationship on the verge of collapsing. The protagonist embraces their feeling of doubt and urges their partner to end the relationship, while also wishing their best.
In the week prior to the song’s release, rumors of a collaboration between Hailee Steinfeld, Alesso, Florida Georgia Line, and Watt appeared online. According to the website HeadLinePlanet, the rumors were officially confirmed by the label on September 5, 2017.