Lightsum members Sangah, Chowon, Nayoung, Hina, Juhyeon, Yujeong, Huiyeon, and Jian can sing and dance, but can they act? In Cosmo’s acting challenge, ‘That’s So Emo’ we challenged the kpop girl group to see who was the best actor in the group!

Who do you think proved it? Listen to ‘Light A Wish,’ out now!