Divas Unite: Beyonce Brings Blue Ivy to Hang with Mariah Carey and Her Kids Before Concert

The moment happened as the "Daydream" singer kicked-off her annual Christmas run in New York.

Mariah Carey and Beyoncé posed with their children backstage at New York's famed Beacon Theater Sunday for the “All I Want For Christmas” singer’s holiday concert.

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In the photo posted to Instagram Monday night, Beyoncé’s 4-year-old daughter, Blue Ivy, is seen holding a fan. Carey’s five-year-old twins, Moroccan and Monroe, wore matching red outfits.

In another photo, the chart toppers posed for a rare selfie.

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"I love you Beyoncé. Thank you sooooo much for coming out tonight," Carey gushed.

Carey kicked off her annual holiday residency at the Beacon Theater over the weekend. The “Heartbreaker” singer also announced she will be touring with Lionel Richie next year.

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