'Nostalgia' singers and kpop boy group DRIPPIN is here with Cosmo to play the TikTok Challenge Challenge! The guys, Lee Hyeop, Hwang Yun Seong, Joo Chang Uk, Kim Dong Yun, Kim Min Seo, Cha Jun Ho, and Alex, are here to show you who has a secret TikTok -- oops, we meant who's the best dancer!

Stream DRIPPIN's 2nd Mini Album [A Better Tomorrow] and listen to 'Free Pass'!

Love Cosmo? Then come join our ~ elite ~ members-only crew. Sign up for Cosmo Unlocked: cosmopolitan.com/joinus