Mariah has teamed up with her mum to cover O Come All Ye Faithful.

The duet, which features on Mimi’s Merry Christmas II You album, is being released as a single just in time for the festive season.

While not exactly a household name, Patricia Carey more holds her own against her superstar daughter.

The former opera singer made O Come All Ye Faithful a real family affair – a theme that continues in the video clip (below), which is compromised of old home movies.

Merry Christmas II You is available to buy and download now.

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