Justin Timberlake Accepts Icy Dare from Boston Bomb Survivors

The singer dumped a bucket of ice water on his head to raise awareness about ALS.
0:56 | 08/12/14

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Transcript for Justin Timberlake Accepts Icy Dare from Boston Bomb Survivors
You may have seen videos of FaceBook friends dumping ice water on themselves. Before challenging someone else do the same or to donate money to charity well now I'm Justin Timberlake is the latest to take part in the ice bucket challenged. You can see -- in this video along with his official fan club -- Tennessee kids. After being challenged by two survivors of the Boston Marathon bombings. He was given 24 hours to donate at least a hundred dollars to be -- LS foundation warm to doused himself with ice water. And instead of picking he decided that he would just do both. In the process he nominated Jimmy Fallon and the roots. The money is going toward raising awareness and finding a cure for -- LS also known as Lou Gehrig's disease which affects nerve cells in the brain and spinal cord. And that the viral challenge is working so far donations to the foundation of spike a 1000%. In recent weeks compared the same time last year.

This transcript has been automatically generated and may not be 100% accurate.

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