(CNN) — At this point are there any celebrities left who have not done the Ice Bucket Challenge?
All across the Internet the famous are taking a dousing in the name of raising money — and bringing awareness — to Lou Gehrig’s disease, also called amyotrophic lateral sclerosis, or ALS. The participants include such figures as Iggy Azalea, Lady Gaga and Chris Pratt.
Once the stars have completed the challenge, they have in turn challenged fellow celebs to take the plunge themselves. Others celebs participating include Oprah Winfrey, the cast of “The Voice,” Jennifer Lopez, Robert Downey Jr., Nina Dobrev and James Van Der Beek.
For a look at some of the celebrities participating, click here.