Victoria tweeted a hilarious video of her 15-year-old son writhing around on the ground after taking part in the challenge, which involves participants having a bucket of ice and water poured over their heads.
David and a friend pour a huge bucket full of ice cold water over Brooklyn, whose response is a little less stoic than his father's.
Story continues after the video
He rolls around on the ground moaning: 'It's so cold! That's so cold!' while his siblings - Romeo, 11, Cruz, nine, and Harper, three, can be heard laughing off camera.
- Victoria Beckham (@victoriabeckham) August 19, 2014
In the clip Brooklyn nominates three others to take the challenge - including Gordon Ramsay's son Jack.
He doesn't nominate any family members, however his mum was nominated by her pal Eva Longoria on Monday, and she teased fans by captioning Brooklyn's video: "Brooklyn's turn for the #ALS #icebucketchallenge! Getting prepared for my turn! X vb"