What goes on in Vegas most certainly will NOT stay in Vegas here!
Watch it go down (below)!!!
Mentor Simon Cowell has two of his groups left in the competition — Fifth Harmony and his
boy bro band, Emblem3!
Check out Emblem3’s Bruno Mars cover (above) and watch Simon and Demi get nasty!!!
Ooh! BURN!!! Though, based off that performance, the trio really just wasn't up to par with the other singers!
However, the guys had another chance to win over the crowd and the judges, with their second song, Forever Young!