The war for dominance over the motion-controlled gaming market escalated significantly earlier this week, when Microsoft's Kinect gained an endorsement from one of the world's foremost cultural leaders: Teen sensation Justin Bieber. Click past the jump to see the intro video to one of Bieber's recent performances: A clip which shows Bieber and company trying out Dance Central and Kinect Adventures, unlocking a few lucrative (albeit fake) Achivements along the way.

Of course, that's just the first half of the video posted after the break. We won't judge you for watching the second half of said video, which features Bieber's opening number. We're not too proud to admit that we viewed the entire thing -- but only because we're fascinated by the technology which must have gone into creating this bionic boy.