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 243 of 562 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 243 Nebula From Guardians of the Galaxy What to wear: A tight purple bodysuit. Slick your hair back (or wear a bald cap) and paint yourself blue. How to act: Evil and unfeeling. Previous Next Start Slideshow DIY Halloween CostumesHalloween Costumes For MenGroup Halloween CostumesHalloween Costumes For WomenCouple Halloween CostumesPop Culture Halloween Costumes