Popsugar Entertainment Halloween Movie Halloween Costumes 2015 31 Halloween Costumes Inspired by 2015 Movies October 30, 2015 by Shannon Vestal Robson View On One Page Photo 27 of 31 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 27 The Barden Bellas From Pitch Perfect 2 What to wear: Black pants with zippered pockets, a white shirt, and a navy vest. How to act: Like you're gearing up for a big performance against Das Sound Machine. Previous Next Start Slideshow HalloweenHalloween CostumesMovies