Popsugar Celebrity Diy Halloween Costumes 100+ Pop Culture Halloween Costume Ideas 500+ Pop Culture Halloween Costume Ideas That Will Make 2019 the Best Halloween Yet 27 October 2019 by Laura Marie Meyers View On One Page Photo 431 of 562 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 431 Jaqen H'ghar From Game of Thrones What to wear: A long hooded grey robe with a rope belt. Bring extra face masks so you can change faces periodically. How to act: Never use the second person; instead refer to people as "a girl" or "a boy." Ex.: "A girl dresses up for Halloween." Previous Next Start Slideshow DIY Halloween CostumesHalloween Costumes For MenGroup Halloween CostumesHalloween Costumes For WomenCouple Halloween CostumesPop Culture Halloween Costumes