The pop diva performed a rendition of her Xmas classic All I Want For Christmas *sings* is yoooooouuu baby - excuse us - at the Rockerfeller tree lighting in New York.
The songstress was joined on stage by the North Pole's very own Father Christmas, which made for an almost sick-makingly festive photo op...
... it's like the Coke and John Lewis advert rolled into one with a stash of mince pies and a large glass of sherry thrown in for good measure.
Last year we were treated to this Justin Bieber-Mariah duet. WARNING if you're feeling a bit of a Scrooge today do NOT watch this video...
See more of the star below:
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