Watch: Halsey and All Time Low perform 'Remembering Sunday' together live.

Can u believe I sang my favorite song with one of my favorite bands tonight ???? @AllTimeLow @ashleyophoto pic.twitter.com/KHzWgCM79N

— h (@halsey) August 20, 2018

iamhalsey: “I used to play “Remembering Sunday” at every coffee house I played when I first started out. Tonight I played it with the boys in NYC and it was a dream awake. thanks @AllTimeLow @/ashleyosborne” pic.twitter.com/ZuBjxOY7D5

— Halsey Updates (@HalseyInsider) August 20, 2018