Some of the most famous people in the world have been drenching themselves in freezing cold water and posting the video online in a fundraising stunt called the ice bucket challenge.
Justin Bieber Challenged President Obama To The Ice Bucket Challenge.
It has helped raise money for and awareness of ALS, a neurodegenerative disease.
However, despite being nominated by Justin Bieber, the White House has confirmed President Barack Obama will not take part, but will be donating.
And it seems pretty clear … President Barack Obama believes images showing the dousing himself in ice water would be damaging to the presidency — despite the fact several politicians have already done it; including Chris Christie, Bobby Jindal and Joe Kennedy III.
WATCH JUSTIN BIEBER ICE BUCKET CHALLENGE: