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 19 of 46 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 19 Lyanna Mormont From Game of Thrones What to wear: A black turtleneck under a fluffy black fur and black leather gloves. Part your hair in the middle and pull it halfway back. How to act: Don't say a lot, but when you do, speak with authority and finality. Hold your hand up to silence the prattle of others. Related: 55 Game of Thrones Characters You Could Be This Halloween Previous Next Start Slideshow HalloweenHalloween CostumesPop Culture Halloween CostumesTVMovies