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 253 of 562 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 253 Groot From Guardians of the Galaxy What to wear: A body- and head-covering tree costume. Time to get creative with the DIYs. How to act: Lumber around and only say one thing: "I am Groot." Previous Next Start Slideshow DIY Halloween CostumesHalloween Costumes For MenGroup Halloween CostumesHalloween Costumes For WomenCouple Halloween CostumesPop Culture Halloween Costumes