Comedian Sacha Baron Cohen has enlisted the help of superstar pals Bono and Chris Martin to record a song to accompany his racy new film Bruno - which mocks their Band Aid charity efforts.

The film's controversial Dove of Peace track includes the lyrics, "For people of Africa who live in hell/they will never wear Chanel." And despite singing on 2004's Band Aid fundraising effort Do They Know It's Christmas?, the Coldplay frontman was in hysterics as he laid down his vocal, according to Britain's Daily Mirror newspaper.

A source tells the newspaper, "Chris Martin was in stitches throughout the recording and only just managed to get his lines out." And Cohen has allegedly asked old friend Madonna to join in on the act too.

The insider adds, "Madonna worked with him for her Music video and he's approached her to get involved. It'll be quite a coup if he does. If the film's a success, there is every chance the track will be released as a single."

Sting and camp pop group The Village People are also due to record lines for the track this weekend.

The movie, set for a July release, is facing an adults-only certification in the U.S. amid fears it may be too sexually explicit for young viewers.

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(This news article provided by World Entertainment News Network)