Blast to the Past With These '90s Halloween Costumes

To pull off Tionne "T-Boz" Watkins, Lisa "Left Eye" Lopes, and Rozonda "Chilli" Thomas of the R&B group TLC, you'll need bright, baggy clothes; caps turned backward; suspenders; and either a patch or a black mark under the eye of whoever's Left Eye. Going around singing "Waterfalls" is optional but advised.