Mnet's M! Countdown returns today with another show filled with awesome performances. Several artists are having comeback stages today, including�miss A, B2ST, J-Lim, and U-KISS. Having won the last three M! Countdown #1 trophies, the 2NE1 girls were up against B2ST this week. And it was the former who came out on top and claimed their 4th M! Countdown #1 trophy. With wins after wins on all 3 music shows, can 2NE1 go any further? You decide! Congratulations to 2NE1! T-ara's Hyomin and Jiyeon were special MCs today, plus a random Co-Ed member. Along with the comeback stages, other performers today include:�2NE1, Se7en, Davichi, Supreme Team, Co-Ed, 5tion, and Bohemian. Check out the exciting performances below! Davichi performed their special track from Shin Seung Hun's 20th anniversary album. Special dance break with Poppin' Hyun Joong at the start. A teaser for 2PM's comeback was also aired.