"I'm going to alsa.org to donate money for ALS but in the mean time, I'll do this," the Goop founder, 41, who consciously uncoupled from the Coldplay frontman after ten years of marriage in March, said to the camera while looking seriously toned in a black bikini.
While getting soaked with a load of freezing water, Paltrow also nominated good friends Cameron Diaz and Stella McCartney. Paltrow's challenge to Martin, 37, comes just days after Us Weekly reported the singer is dating Hunger Games actress Jennifer Lawrence.
"Challenge accepted @tracyandersonmethod @chefjoseandres @marthastewart NOW I challenge @camerondiaz Chris Martin and @stellamccartney to the #ALSicebucketchallenge. join me in donating to alsa.org," the Oscar winner shared on her Instagram.
Watch Gwyneth's video above where she seriously screams at the top of her lungs!