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LONDON -- Move aside please, Kardashians. Your holiday photographs have just been upstaged by the Queens of Upstaging.

SEE ALSO:12 things we learned about Mariah Carey from the premiere of 'Mariah's World'

Beyoncé took Blue Ivy and a friend to Mariah's Christmas concert at the Beacon Theatre, New York, over the weekend.

It's not every day that two of the biggest pop divas of all time come together to casually chill backstage.

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Of course, this whole affair needed to be documented with one epic family photograph starring Mariah, Bey, Blue Ivy, and twins Monroe and Moroccan.

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Blue Ivy stole the show with an enormous red fan. Sorry, Mariah!

Mariah tweeted a photo of her and Beyoncé chilling backstage and it's everything we've ever dreamed of.

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Could a duet be on the cards?

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