Chris Martin accepts ex Gwyneth Paltrow's Ice Bucket Challenge...watch his awks vid here!

Chris Martin and Gwyneth Paltrow's "conscious uncoupling" is officially getting awkward.

The Coldplay frontman accepted his ex-wife's Ice Bucket Challenge today…and he did it with her bestie Stella McCartney!

See them dowsing themselves with ice-cold water in the video above.

Then see Gwynnie's sexy bikini-clad Ice Bucket Challenge in the video below…

Chris, 37, and Gwyneth, 41, split after 10 years of marriage in March this year and have since been trying to convince us all that they're still the best of buds... We get it guys!

View slideshow: Bikinis, wet T-shirts and bare bods: Sexiest celebrity Ice Bucket Challenge videos!