Popsugar Entertainment Halloween Pop Culture Halloween Costumes 2015 This Year's Hottest Pop-Culture-Inspired Costumes October 28, 2015 by Shannon Vestal Robson View On One Page Photo 17 of 68 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 17 The Night's King From Game of Thrones What to wear: Dark blue face makeup with horns on your head and dark, plain-looking armor. How to act: Never speak, but do look very menacing. Raise your hands like you're raising an undead army. Previous Next Start Slideshow HalloweenHalloween CostumesTVMovies