Popsugar Entertainment Halloween Pop Culture Costume Ideas For 2017 The Best Pop Culture Halloween Costumes For 2017 October 31, 2017 by Shannon Vestal Robson View On One Page Photo 42 of 46 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 42 Josie From Riverdale What to wear: Go full kitty rockstar with a leopard-print bodysuit, tail, and cat ears. You also obviously need a mic to belt it out. How to act: Sing your little heart out. Previous Next Start Slideshow HalloweenHalloween CostumesPop Culture Halloween CostumesTVMovies