SEVENTEEN have won their first trophy for “Boom Boom” on tonight’s episode of Mnet’s ‘M! Countdown’ (December 15).

Congrats to SEVENTEEN!

Here are the performances:

B1A4 – A lie

SEVENTEEN – Boom Boom

Thunder – Sign

UP10TION – White Night

LABOUM – Winter Story

KNK – U

MOMOLAND – JJan! Koong! Kwang!

PENTAGON – Can You Feel It