Duos ever be recorded

Duos that never recorded

Britney Spears featuring Justin Timberlake & Christina Aguillera

Britney Spears featuring Mandy Moore & Jessica Simpson
Nsync featuring Backstreet Boys
Christina Aguillera feat. Mariah Carey
Madonna featuring Lady Gaga
Demi Lovato featuring Selena Gomez & Cyrus
Nicki Minaj featuring Mariah Carey & Eminem
Elton John feat. Madonna

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