To say the #ALSIceBucketChallenge has gone viral would be an understatement. But the latest effort from native Texan and former President George W. Bush just might be at the top of our list.

President Bush was challenged by the likes of his daughter, golf great Rory McIlroy and Woody Johnson, among others. He also passes his nomination to former President Bill Clinton.

We really don't want to ruin the "surprise" for you, so we'll let you watch.

Have you taken the challenge yet?