Popsugar Entertainment Halloween Costumes 2018 Girl Group Music Video Costume Ideas 2018 20+ Music Videos That Are Perfect Inspiration For Your Next Group Halloween Costume 25 October 2018 by Mekishana Pierre View On One Page Photo 4 of 21 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 "Boss" by Fifth Harmony What to wear: Keep it simple and sexy — all-white blazers, shorts and heels. Previous Next Start Slideshow Halloween Costumes 2018Pop Culture Halloween CostumesTLCFifth HarmonyLittle MixMusic VideosHalloweenMusicDestiny's ChildSpice Girls