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 69 of 80 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 69 Mia From Little Fires Everywhere What to wear: Mia is artsy and laid back, and her style reflects that. Wear cutoff cropped jeans and a graphic tank, and add some paint splatters to top it off. Previous Next Start Slideshow Best Of 2020Halloween Costumes For MenHalloween Costumes For WomenPop Culture Halloween CostumesHalloween CostumesHalloween