Earlier, allkpop reported that 2AM performed a delightful cover of KARA's "Step" and the Wonder Girls' "Be My Baby" at their two-day Christmas live. On December 27th, Big Hit Entertainment shared�2AM's practice video for "Step" and "Be My Baby" with fans on YouTube. As expected,�Jo Kwon brought out his impressive�kkap, hitting each dance point perfectly. Not to be outdone, his groupmates�Jinwoon, Changmin, and Seulong did their utmost to keep up,�although they'd occasionally crack a smile or burst into laughter. The sight of these ultra-muscular men shaking their hips and doing body waves can only be described with one word: daebak. Check out the video below: --- Since Jo Kwon's 'Britney Spears' cover was also a huge hit, we've included a fancam below: