Leona Lewis, Mariah Carey, Miley Cyrus and Beyonce Knowles are just four of the female singers who feature on a new charity single.

Natasha Beddingfield and Fergie also star on the song, which will raise money for Cancer Research.

The song will be previewed on September 2nd and will be performed by all fifteen singers as part of a Stand Up For Cancer TV special three days later.

The programme will air on the US networks ABC, NBC and CBS.

A host of big name stars, including Jennifer Anniston and Lance Armstrong, are also expected to take part.