'Black Mamba' singers @aespa - Karina, Giselle, Winter and NingNing - are all such star performers! Cosmopolitan challenged them with a bunch of random TikToks and they nailed it. Watch more TikTok Challenge Challenge br br Need more aespa and TikTok?? Try their Next Level Challenge! br Love Cosmo? Then come join our ~ elite ~ members-only crew. Sign up for Cosmo Unlocked: cosmopolitan.