Lorde and Haim bring the house down with their cover of Sheryl Crow's iconic Strong Enough.
Check out performances from Lorde, The Lumineers, Ed Sheeran and more of your favorite YOK alums.
The Lumineers invite their fellow YOK alums onstage for a rip-roaring finale.
Watch the teen phenom perform her chart-topping hit Royals for a packed house.
Watch the Brit songstresses belt out her smash hit Next To Me.
Watch the dynamic heartthrob give an intimate performance of his global hit.
Jim Shearer announced the Decemember You Oughta Know artist winner today on Big Morning Buzz Live. Find out who it is!
Leading the way were Bruno Mars (5 noms) and Lorde (4 noms).
Jay Z led all nominees with 9 nods, despite getting shut out of the major categories.
The 17-year-old star looks like a 'royal' babe in these brand new photos.
These include never before seen photos from the You Oughta Know In Concert rehearsals, which were not open to the public.