Check this awesom video out! I've seen many of them, but this one is the best i've ever seen!
David Guetta, Afrojack, Sunnery James and Ryan Marciano, Steve Edwards, Jaz Von D and even Paris hilton showed up on the stage with Afrojack. It must have been amazing!!!

http://www.youtube.com/watch?v=2Q4wJujkP2I

more vids like this one!!!