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 54 of 68 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 54 Anastasia Steele From Fifty Shades of Grey What to wear: Jeans, a plain t-shirt, converse sneakers, and your hair down with bangs. How to act: Painfully innocent and awkward. Bite your lip a lot. Previous Next Start Slideshow HalloweenHalloween CostumesTVMovies