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 4 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 The Osmonds What to wear: Button-down shirts with wide collars, matching vests, and flared pants. Carrying around microphones. Previous Next Start Slideshow Halloween Costumes 2018Pop Culture Halloween CostumesHalloweenMusic