Popsugar Entertainment Halloween Entertainment Halsey Singing "Girlfriend" With Avril Lavigne Video Hey Hey, You You — Halsey Sang "Girlfriend" With Avril Lavigne at Her Halloween Party, FYI 28 October 2019 by Quinn Keaney View On One Page Photo 2 of 3 ADVERTISEMENT () Start Slideshow View this post on Instagram THIS IS IT I WANT A FUCKING COLLAB RIGHT NOW! #alone #ashleyfrangipane #iamhalsey #hopelessfountainkingdom #halsey #hfk #room93 #badlands #badatlove #manic #clementine #graveyard #nightmare #withoutme A post shared by halsey updates 🌸 (@babyhupdated) on Oct 26, 2019 at 6:21pm PDT Share This Link Copy ← Use Arrow Keys → 2 Previous Next Start Slideshow Halloween EntertainmentHalseyHalloweenMusicAvril Lavigne