Popsugar Celebrity Halloween The Best Celebrity Halloween Costumes From 2021 | Pictures Celebrities Celebrated Halloween With Some Spooktastic Costumes — See the Pictures November 1, 2021 by Kelsie Gibson First Published: October 24, 2021 View On One Page Photo 26 of 36 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 26 Winnie Harlow as a Siren Previous Next Start Slideshow HalloweenCelebrity InstagramsHalloween CostumesRed CarpetHalloween Costumes 2021Celebrity Halloween Costumes