Watch: Lorde performs 'Royals' at the Grammys

At just 17 years old, Lorde is one of the fastest-rising music stars in the world, and now she's a Grammy winner.

But while most teens would quake in their boots at the thought of even performing in front of their classmates, Lorde performed a great rendition of her breakout hit "Royals" — and did it in front of music's biggest royalty.

It's worth a watch:

by Jennifer Van Evra via Electronic RSS