The Christmas Version of 'Carpool Karaoke' With Justin Bieber, Iggy Azalea, and More Is Perfect

Iggy even spits a freestyle.

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James Corden's Carpool Karaoke has quickly become one of the best bits on late-night television, and it continues to get better. The crew is in the Christmas spirit in the latest episode, with a full cast of celebrities from Justin BieberOne Direction, and Stevie Wonder singing "Joy to the World" while riding around with Corden. Not only that, but Iggy Azalea decided to spit a little holiday freestyle that was interesting, to say the least. Regardless, the full video will have you out caroling with your family in no time. 

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