On Saturday night, Eminem completed the ALS Ice Bucket Challenge live on stage at Comerica in Detroit, after being challenged by Dr. Dre. Eminem challenged Mr. Porter and Rihanna, who were both on stage with him as part of The Monster Tour that made stops in Detroit both Friday and Saturday night. Porter and Rihanna immediately completely their challenges. Marshall also challenged Rick Rubin. Watch it here now!

[WARNING: LANGUAGE]