Katy Perry Vogues To Madonna During Her International Smile Performance! Watch The Shout Out To Madge HERE!

Katy Perry plus Madonna? We didn’t even know this addition problem could ever be solved!
Katy decided to let her fans hear her roar some Queen Madge during her Belfast concert yesterday as part of her Prismatic World Tour! She sang International Smile, which is appropriate because every knows her smile across the world!
And she even had a walk down the runway to Vogue! Snap snap went every camera ever!
Ch-ch-check out Katy sing International Smile, and strut her stuff to Vogue…AFTER THE JUMP!!!