What goes on in Vegas most certainly will NOT stay in Vegas here!
Watch it go down (below)!!!
Prepare to SHAKE your asses and watch JLo and Pitbull's live performance of Live It Up from last night's Idol (above)!
Now wait… HOLD UP!
Is Mariah Carey the ONLY AI judge who doesn't stand up and clap for Jennifer at the end of her killer dance number?! UMMM YUP!
We guess the Beautiful butterfly queen really DID get pissed about those rumors claiming Idol execs wanted to replace her with Jenny Jen!