London, August 20 : 'X Factor' winner Leona Lewis, 23, will be among a dozen of the world-famous female singers who have joined hands to record a charity single.
Singing along with her will be A-list stars like Mariah Carey, Beyonce, Miley Cyrus, and Rihana.
Overall, the track entitled 'Just Stand Up' will be recorded by overall 15 singers.
All singers will share the stage for a US TV special on September 5, reports The Sun.
Being recorded for the Stand Up To Cancer charity, the song will be released on iTunes three days earlier.