We've known for a while that the #ALSIceBucketChallenge has gone viral. But this has gone now gotten SO big, that even former Presidents are getting in on it.
Check out the footage of President George W. Bush being challenged by the likes of Jenna Bush, Jets owner Woody Johnson and golfer Rory McIlroy who challenged the former president to participate. President Bush even goes as far as to challenge another former president, President Bill Clinton to do the ALS Challenge as well.

Once you're over the shock of President Bush participating in the challenge, look who gets into the act as well. Watch the quick video below.