Two of the Pearl Jam guys have gotten icy for charity. First up, guitarist Mike McCready took on the ALS Ice Bucket Challenge. He challenged his bandmates and frontman Eddie Vedder stepped up the plate. In an adorable video Vedder challenges Tim Robbins, Bruce Springsteen, and thanks to his daughters who were with him, Niall Horan from One Direction. Check out both videos below. 

I'm waiting to see if Springsteen accepts...