This is superbly amazing. It's a must watch!!
P/S:
As the video embedding had been disabled by request, please go to the following url to watch the video.
http://www.youtube.com/watch?v=6GrOMLylvhQ
Besides the flawless' dance, I would like to share this too.
http://www.youtube.com/watch?v=9lp0IWv8QZY
Enjoy!