The ALS Ice Bucket Challenge, is an activity involving dumping a bucket of ice water on one's head or donating to the ALS Association in the United States.
The challenge required nominated participants to have a bucket of ice water poured on their head. One common stipulation gives 24 hours to complete the dare from the time they are nominated; otherwise, the participant has to donate $100 to charity.
Here are ten of the best:
"Weird Al" Yankovic
Bill Gates
Taylor Swift
Cristiano Ronaldo
Jennifer Lopez
Jessica Alba, Gavin Rossdale and Nicole Richie
Lebron James
Oprah Winfrey
Steven Spielberg
Chris Pratt
