Kelly Clarkson Gives One of the Most Stunning Vocals of her Career on "Late Night with Seth"

Whooo! I don't even know what to say. If you don't think she's one of the best vocalists of her generation you're absolutely insane.

She performed her new single "I Don't Think About You"

She performed another song called "Didn't I"

And chatted with Seth about The Voice

And meeting Steve Carrell and Meryl Streep