There's often some water throwing on X Factor. The judges get all mad with each other and it's the closest thing to hand to vent their frustrations.
This time, though, they're being drenched in the name of charity. It's the latest social media craze that's doing some good, with celebrities around the world filming themselves pouring ice buckets over their heads to raise awareness and money for illness ALS, also known as Lou Gehrig's disease and Motor Neurone Disease, a condition that attacks the spinal cord.
Head judge Simon Cowell was up first, nominating his fellow judges to follow his lead: