I found it!

[seashu]

Remember my last post, about the song's name I couldn't find?  Well, a lovely person on yahooanswers told me, and they were right!  It's called "Watch me Dance" by D-Felice and D-Mess.  I now worship them and I don't care. xP

http://www.youtube.com/watch?v=4cW-s1i0BGM