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 168 of 562 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 168 Petyr Baelish From Game of Thrones What to wear: A long-sleeved tunic with short hair and a little mustache. Carry around a book and hold it in front of you. How to act: Like you can't be trusted. Previous Next Start Slideshow DIY Halloween CostumesHalloween Costumes For MenGroup Halloween CostumesHalloween Costumes For WomenCouple Halloween CostumesPop Culture Halloween Costumes