Popsugar Living Best Of 2020 The Best Halloween Costume Ideas For 2020 We Have Chills! These Are 2020's Coolest Halloween Costume Ideas of the Year 27 October 2020 by Lauren Harano View On One Page Photo 39 of 80 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 39 Sister Night From Watchmen What to wear: A long hooded black cape with a white top and a long black skirt will transform you into Sister Night. Wear a large face mask and keep your hood up. Previous Next Start Slideshow Best Of 2020Halloween Costumes For MenHalloween Costumes For WomenPop Culture Halloween CostumesHalloween CostumesHalloween