Popsugar Celebrity Halloween Costumes 2018 Celebrity Halloween Costumes 2018 All the Celebrity Halloween Costumes We've Been Treated to This Year 1 November 2018 by Monica Sisavat Solís First Published: 24 October 2018 View On One Page Photo 3 of 100 ADVERTISEMENT () Start Slideshow View this post on Instagram Welcome, foolish mortals. We hope your Halloween is happily haunted, but heed this warning: beware of Hitchhiking Ghosts! @nph A post shared by David Burtka (@dbelicious) on Oct 30, 2018 at 9:04pm PDT Share This Link Copy ← Use Arrow Keys → 3 Neil Patrick Harris and His Family as Disney's Hitchhiking Ghosts Previous Next Start Slideshow Halloween Costumes 2018Pop Culture Halloween CostumesCelebrity InstagramsCelebrity Halloween CostumesCelebrity CouplesHalloween CostumesHalloween