Popsugar Celebrity Halloween Costumes 2019 Pictures of Halsey's Halloween Costumes Over the Years From Princess Leia to Poison Ivy, Halsey Goes All Out With Her Halloween Costumes 31 October 2019 by Monica Sisavat Solís View On One Page Photo 9 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Halsey Dressed as Jennifer From Jennifer's Body in 2018 Previous Next Start Slideshow Halloween Costumes 2019HalseyCelebrity Halloween CostumesCelebrity TwitterHalloween CostumesHalloween