This one comes back on a regular basis, thank you Final Fantasy 10...
http://www.youtube.com/watch?v=C34BzC7rnos

And this one, to which i know the words of, Sims2: 360. Bumblebee dances to this a lot... Skywarp, not so much... OOOOHHHHH LLAh NAh...
http://www.youtube.com/watch?v=yYcPuJflPiU