Popsugar Entertainment Halloween Costumes 2018 Boy Band Halloween Costumes 15 Iconic Boy Bands That Make Even More Iconic Halloween Group Costumes 10 August 2018 by Kelsie Gibson View On One Page Photo 13 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 13 One Direction What to wear: Very preppy clothes. Try to go for striped and flannel shirts, red pants and khakis, polos, and varsity jackets. Previous Next Start Slideshow Halloween Costumes 2018Pop Culture Halloween CostumesHalloweenMusic