The Oscar winner stripped down to a teeny black bikini to take the wildly popular (especially among celebrities) ALS Ice Bucket Challenge. She was challenged to perform the stunt by her trainer Tracy Anderson, chef Jose Andres and TV personality Martha Stewart.
Before Paltrow gets totally drenched, the 41-year-old Iron Man actress sends out three challenges, but there is one that really sticks out. One challenge goes out her fellow A-lister Cameron Diaz (who was already challenged by Kate Upton), another goes to her fashion designer friend Stella McCartney and the third is aimed at her husband, 37-year-old Coldplay frontman Chris Martin, who she consciously uncoupled with this past March.
ET's own Nancy O'Dell and the ET staff also took the ALS Ice Bucket Challenge. Check it out below and to donate to the ALS Association, click on the donate button in the right corner of this page.