Big Time Rush's "Big Time Christmas" special guest!


Hey M girls!

Big Time Rush has a special guest on their "Big Time Christmas" holiday episode -- Miranda Cosgrove! They'll be singing a duet of Mariah Carey's hit song, "All I Want For Christmas Is You" together! Check out the video below!

The special holiday episode airs Saturday, December 4!

Let's dish: - What do you think of their duet? Are you excited to see Miranda make an appearance with Big Time Rush? Will you watch the episode when it airs?

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