Mnet's "M! Countdown" is back with another episode of great performances! Competing for the #1 spot, it was a hot battle between IU, Trouble Maker, and T-ara, but in the end, it was�Trouble Maker who clinched the win tonight with "Trouble Maker"! Congratulations to�Trouble Maker for their second 'M! Countdown' trophy! == Special Christmas Messages! == Performers tonight included SNSD, Wonder Girls, Trouble Maker, Dynamic Duo, A Pink, Superstar K3, Electroboyz, LEDApple, M.I.B.,Super Junior's Donghae & Eunhyuk, After School & Pledis Boys, and M Street.�Check out the performances below: == < SNSD > **Follow-up Song!** == < Wonder Girls > == < Trouble Maker > == < A Pink > == *Other videos coming soon! ===== Image: Sports Korea