Popsugar Celebrity Halloween Costumes 2021 The Best Celebrity Halloween Costumes From 2021 | Pictures Celebrities Celebrated Halloween With Some Spooktastic Costumes — See the Pictures 1 November 2021 by Kelsie Gibson First Published: 25 October 2021 View On One Page Photo 3 of 47 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Charli (@charli_xcx) Share This Link Copy ← Use Arrow Keys → 3 Charli XCX as Morticia Addams Previous Next Start Slideshow Halloween Costumes 2021Celebrity InstagramsCelebrity Halloween CostumesHalloween CostumesHalloweenRed Carpet