Beyonce, Mariah Carey, Mary J, Rihanna...ensemble!

Mariah Carey, Beyonce, Rihanna, Fergie, Leona Lewis, Carrie Underwood, Miley Cyrus, Ciara, Keyshia Cole, Ashanti, Natasha Bedingfield, Nicole Scherzinger et Mary J Blige chantent ensemble contre le cancer.

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