Ashton Kutcher & Wilmer Valderrama Accept Topher Grace's Ice Bucket Challenge - Watch Now!

Check out Ashton Kutcher being drenched by Wilmer Valderrama while accepting the ALS Ice Bucket Challenge! The two guys were nominated by their former That ’70s Show co-star Topher Grace. Check out Topher‘s Ice Bucket Challenge after the cut! After Ashton completed the challenge, he nominated his Two and a Half Men co-star Jon Cryer