Popsugar Celebrity Halloween Costumes 2019 100+ of the Best Celebrity Halloween Costumes of All Time 350+ Celebrity Halloween Costumes That Are Hilarious, Spooky, and Downright Stylish 10 October 2019 by Lauren Turner View On One Page Photo 26 of 243 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 26 Katy Perry In 2014, Katy Perry was hilariously adorable in her Flamin' Hot Cheeto costume. Previous Next Start Slideshow Halloween Costumes 2019Couple Halloween CostumesPop Culture Halloween CostumesCelebrity Halloween CostumesHalloween CostumesHalloween