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 57 of 68 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 57 Christian Grey What to wear: A slick gray suit and gray tie. Carry some handcuffs, because you never know. How to act: Cool, calm, collected and very distant. Previous Next Start Slideshow HalloweenHalloween CostumesTVMovies