Popsugar Living Best Of 2021 The Best Halloween Costume Ideas For 2021 We're Calling It Now! Here Are 2021's Buzziest Halloween Costume Ideas 7 August 2021 by Haley Lyndes View On One Page Photo 31 of 38 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 31 Megan Thee Stallion at Lollapalooza 2021 What to wear: Channel your inner "hottie" by wearing a black leotard with fun logos like AC/DC printed on it. Wear fishnets and throw in some sexy moves to bring the look to life. Previous Next Start Slideshow Best Of 2021Halloween Costumes For MenHalloween Costumes For WomenPop Culture Halloween CostumesHalloween CostumesHalloween