Katy Perry loves to show off some sideboob! Katy Perry loves to show off her cleavage! And now Katy Perry has found the perfect dress that allows her to show off sideboob and cleavage at the same time! Check out these pics as Katy rocks Rio while promoting her concert film Part of Me. Katy’s also celebrating her ninth #1 hit, with “Wide Awake” currently topping the charts. We’re sure wide awake over these hot pics—especially thanks to one enterprising shot where we see right up Katy’s dress! Don’t ever let anyone tell you there’s something wrong with looking up Katy Perry’s dress.