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 12 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 12 Jonas Brothers What to wear: Layering is key. Wear button-down shirts, ties, scarves, vests, and sunglasses. Skinny jeans are a must! If you're dressing up as Joe, don't forget to straighten your hair. Previous Next Start Slideshow Halloween Costumes 2018Pop Culture Halloween CostumesHalloweenMusic