The Oscar-winning actress was married to the band's frontman Chris Martin for 10 years before announcing in 2014 that they had split, but the stars remain on good terms for the sake of their two children.

Earlier this month (Nov15) it emerged Gwyneth is credited as a guest vocalist on Coldplay's new record A Head Full of Dreams for singing a line in the track Everglow.

Now Chris has revealed his ex had originally inspired the lyric "How come things move on/ How come cars don't slow," so he insisted she should sing the words when the track was recorded.

Chris tells Q magazine, "She came up with the idea so I said, 'Is there any chance you'd sing that line cos it's your idea?' Like any human, she was like, 'I can't do that! I'm not a professional!'"

Coldplay's new album is due for release on 4 December (15), and Gwyneth is in good company - it features guests spots from other stars including Beyonce, Noel Gallagher, and Avicii.

Gwyneth's contribution is not the first time she has showed off her singing skills on record - she enjoyed a hit with Huey Lewis following their collaboration in the 2000 film Duets, and she performed a version of Fleetwood MAC's Landslide for the Glee soundtrack.

While making her 2010 movie Country Strong, in which she played a fallen musician trying to re-start her career, the actress also dedicated herself to learning how to play guitar, and she featured on the soundtrack for film.

Chris and Gwyneth announced their split in March last year (14), famously describing it as a "conscious uncoupling", and the following month (Apr14) the actress filed for divorce. The couple has two children - daughter Apple, 11, and son Moses, nine.