Mariah Carey Flaunts Post-Baby Bod With Justin Bieber in Christmas Clip

Entertainment December 1, 2011 AT 12:45PM By Rebecca Macatee

Lambs and Beliebers, rejoice!

Mariah Carey and Justin Bieber's "All I Want for Christmas Is You" video has arrived! In the remake of Carey's 1994 hit, the 41-year-old shows off her svelte post-baby bod in a short, sexy holiday costume. (Carey lost 30 pounds since giving birth to Moroccan and Monroe in April.)

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Bieber, 17, also gets into the Christmas spirit, dancing alone in the middle of Macy's NYC store, playing some Nintendo 3DS, handing out presents and ultimately taking a sleigh ride with Carey and an adorable puppy.

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Watch Justin and Mariah's adorable video in the clip above.

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