After much anticipation, male group 2PM released their comeback mini-album and music video for their title track Without U. Now the boys finally make their live comeback onto the stage and officially begin their promotions on M! Countdown! Although there has been a lot of drama and controversy plaguing the 2PM boys since their Heartbeat promotions, it looks like they've risen from the ashes and comeback with a stronger and a tougher image. Watch below as 2PM gives their fans a double dosage of music as they perform Without U and Don't Stop Can't Stop on stage! http://www.youtube.com/watch?v=ovWkkQtXkkU