Talk about a for realz fire crotch!!!
Watch out boys, this gurl is heating things up down below!
Katy let the fire out of her crotch during her time on stage, and no one has ever looked so good with a flame between their legs!
But we feel like we should totes warn John Mayer because boy better place nice or he might get burned! LOLz!
Check out her fiery performance HERE!!!
[Image via Getty Images.]