We couldn't get enough of the Top 6 on The X Factor, so it was like an early Christmas when we found out each act would be singing twice. Relive all the magic of the Pepsi Challenge fan-chosen songs and the stripped-down, unplugged renditions of your favorite pop songs. 

 

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Credit: YouTube Photo: Watch Emblem3 Sing Bruno Mars' "Just the Way You Are" on X Factor 2012 Live Shows on December 5, 2012 (VIDEO)