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 91 of 100 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 91 Al Roker and Dylan Dreyer as Marty McFly and Doc Brown From Back to the Future Previous Next Start Slideshow Halloween Costumes 2018Pop Culture Halloween CostumesCelebrity InstagramsCelebrity Halloween CostumesCelebrity CouplesHalloween CostumesHalloween