Popsugar Entertainment Halloween Costumes 2021 Dress Like the Cast of Insecure For Halloween You'll Look Low-Key Fly as F*ck With These Insecure Halloween Costumes 21 October 2021 by Njera Perkins View On One Page Photo 7 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Nathan From Insecure Halloween Costume What to wear: Nathan has a similar chill style as well, so his outfit is super easy to replicate. To achieve his look, grab a tan denim style button-up shirt and a black shirt. Previous Next Start Slideshow Halloween Costumes 2021InsecureHBOPop Culture Halloween CostumesHalloween CostumesTV