So far, we've seen Robert Downey Jr., Mark Zuckerberg and Bill Gates do the Ice Bucket Challenge.
Now all-round musical legend Eddie Vedder of our favourite band, Pearl Jam, has signed up to the ALS Ice Bucket Challenge.
Not only that, he's only gone and nominated our own Niall Horan from One Direction (at the request of his daughter), the Boss himself, Bruce Springsteen and actor Tim Robbins to complete the challenge.
We'll be back in 24 hours to see if Mullingar's most famous son (after Joe Dolan) gets drowned in ice water.
