Katy Perry Rocks Black Bikini For Ice Bucket Challenge - Watch Now!

Check out Katy Perry showing off her body in a bikini while completing the ALS Ice Bucket Challenge! “Thank you @thestevetisch @aw & @hellogiggles for nominating me for the ALS #theicebucketchallenge I now nominate @madonna (ALSO SORRY THIS IS SO LOUD & ANNOYING)