Popsugar Entertainment Halloween The Best Pop Culture Halloween Costume Ideas For 2021 60+ of the Best Pop Culture Halloween Costume Ideas For 2021, From Squid Game to Ted Lasso October 26, 2021 by Alessia Santoro View On One Page Photo 14 of 63 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 14 Kate From Firefly Lane What to wear for Kate: Grab an oversized pair of clear glasses, a button down shirt or blouse, and jeans or trousers. Previous Next Start Slideshow HalloweenHalloween CostumesMusicGroup Halloween CostumesCouple Halloween CostumesPop Culture Halloween CostumesTVMoviesHalloween Costumes 2021Halloween Costumes For Men