ALS Ice Bucket Challenge One Direction, Justin Bieber, Robert Downey Jr, Rock, Oprah Winfrey & More

Share On Facebook: http://goo.gl/fsyirw <br />Tweet Now: http://goo.gl/zRMRbB <br /> <br />Check out all the celebritites going crazy over ALS Ice Bucket Challenge in this video and tell us which celebrity would you like to challenge.