Here's a riddle for you: if you can see upskirt and underboob at the same time, what is it called? upboob? underskirt?

The answer is: neither. It's called a stroke of good luck. And there was certainly a lot of stroking going on after Katy Perry stepped onto the balcony of a Rio nightclub at the premiere party for her documentary Katy Perry: Part of Me (2012), exposing some very SKINteresting parts of herself in the process:











See more from busty bubblegum star Katy Perry right here at MrSkin.com