Neil Patrick Harris, Zac Efron, Chris Evans & More Celebs Take The #IceBucketChallenge

The Ice Bucket Challenge has already helped raise more than $41 million for the Amyotrophic Lateral Sclerosis (ALS), the lethal neurodegenerative disorder also known as Lou Gehrig’s disease.

Everyone from Hollywood hunks Zac Efron and Chris Evans to former U.S. President George W. Bush has poured buckets of ice water over their heads.

Here is your latest round-up of celebs who have taken the challenge, starting with Neil Patrick Harris and his adorable family:

Zac Efron & Ashley Tisdale:

Chris Evans:

Dan Osborne:

Dan Osborne’s Naked ALS Ice Bucket Challenge from TheGailyGrind on Vimeo.

Liam Hemsworth:

Chris Hemsworth:

Katy Perry:

Idina Menzel:

Robert Pattinson:

Anne Hathaway:

Shia LaBeouf:

George W. Bush:

Sarah Jessica Parker:

The Vamps:

Nick Cannon:

Grant Gustin:

Click here for more celebs who have taken the #ALSIceBucketChallenge.

Also check out our list of the Top 30 Hottest Ice Bucket Challenges.