Popsugar Parenting Halloween Costumes 2018 Teen Halloween Costumes 2018 60 Costumes That Your "Too-Cool-For-Halloween" Teen Will Actually Want to Wear This Year 23 July 2018 by Rebecca Brown View On One Page Photo 8 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 Gamora Guard the Galaxy in this Adult Gamora Costume ($65). Adult Gamora Costume $65 from spirithalloween.com Buy Now Previous Next Start Slideshow Halloween Costumes 2018ShoppableCostumesHalloween CostumesHalloween