South Korean boy band Stray Kids took on Cosmo's 'TikTok Challenge Challenge' where each of them had to learn (and attempt to master) a random, viral TikTok dance.
Watch more Tiktok Challenge Challenge https://www.youtube.com/watch?v=jqCxDk0qQvE&list=PLrx4fxhgMUOayMpvA8bt2rnieMzvJwftb

The guys—Bang Chan, Changbin, Felix, HAN, Hyunjin, I.N, Lee Know, and Seungmin—all did pretty well...but only one can win our game! Watch the video to find out who was voted champion and to learn their exclusive dance to their song 'Back Door; from their new album 'IN LIFE'!