Demi Lovato Sings 'All I Want For Christmas Is You'!

Demi Lovato belts out her rendition of the classic Mariah Carey holiday song All I Want For Christmas Is You!

The 20-year-old singer recorded the performance for Christmas In Washington earlier this month and the special finally aired this weekend.

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Releasing something I did today on Christmas Eve. I hope you all like it.. means a lot to me, Demi teased to her fans this weekend. Cant wait to find out what it is!

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