What goes on in Vegas most certainly will NOT stay in Vegas here!
Watch it go down (below)!!!
WHOA! This is seriously cool!
Well, not only did he think that, but he actually CREATED the song and the result is like nothing else!!
It's basically a GIANT collaboration of Nirvana meets *NSYNC meets Michael Jackson meets SO many more!!
KP's ex-boyfriend, John Mayer, even gets in on the action!
Color us impressed!!