In support of the fight against Lou Gehrig’s Disease celebrities all over the world are challenging other celebrities to The ALS #IceBucketChallenge in the newest viral social media craze. But no one can say that this is not for an extremely good cause. Celebrities accept their challenges, donate money, and elect a friend to do the same. Watch Oprah, Kevin Hart, Justin Timerlake, Kerry Washington, Adam Levine and Jimmy Fallon all accept their challenges on video after the jump!

Oprah:Justin Timberlake:

Kerry Washington:

Adam Levine:

Jimmy Fallon and The Roots: