Divas Alert! Lady Gaga Hangs With Mariah Carey

Dimitrios Kambouris/Getty Images for Maroon Ent

Queen Of Christmas, Mariah Carey performs her holiday smash hits at the Beacon Theatre on December 15, 2014 in New York City.  

All they want for Christmas are many, many selfies.

On Sunday (Dec. 21), one night before she wraps up her residency at the Beacon Theater, Mariah Carey was joined by the one and only Lady Gaga. The "Applause" singer visited Carey backstage at the holiday-themed gig.

"Hey ladies, Merry F---ing Christmas," Gaga shared on Instagram. "Love, Mariah and Gaga This lady is so kind, such a star, and sounding legendary tonight at Beacon Theatre."

Mariah Carey Brings Christmas Cheer to NYC's Beacon Theater


Taking a selfie with the beautiful @ladygaga! Merry Christmas!!

A photo posted by Mariah Carey (@mariahcarey) on Dec 12, 2014 at 5:54pm PST

Carey will wrap up her six-show residency at the legendary N.Y.C. venue on Dec. 22 after kicking off the string of dates last week on Dec. 15. "I can't imagine being anywhere more special than live on stage, in my hometown, celebrating with my fans during the Christmas season, my most treasured time of the year,” Carey previously said in a statement about the gigs. “I can't wait!”