"Green Light" by Lorde
was featured in the series premiere of MTV's new reality show, Siesta Key
. It plays over a montage of the cast leaving Alex's birthday party. Kelsey goes home and contemplates whether she should stay with her new boyfriend, Garrett, or be single for the summer, meanwhile Alex is back at his house looking at his phone hoping Kelsey texts him back to accept his offer to hang out together. The episode aired July 31, 2017.