One million, billion points for Gryffindor, Hermoine Granger.
Ch-ch-check out the incredible video (above) and if you want, you can read her entire speech HERE.
The Biebs took the stage at the MGM Grand in Las Vegas on Sunday night, with a special surprise guest — his mentor, Usher!
Check out their duet of Yeah (above)!!!
We can’t wait for another Usher and Justin collaboration and wonder what OTHER surprise guests await!