All media and social networks are littered with videos of people dousing themselves with a bucket of ice-cold water. This viral craziness is to help spread awareness of a disease called amyotrophic lateral sclerosis, or ALS. If you are nominated by one of your friend, you either accept the challenge and douse yourself with the water or you can buy yourself out by donating 100 USD to ALS charity. The challenge is spreading all over the world and even celebrities are not spared. Enjoy these 25 crazy photos of famous people and their ALS Ice Bucket Challenge.