The Voice judges Adam Levine and Christina Aguilera debuted their new collaboration "Moves Like Jagger" on last night's episode of the hit singing competition. Backed up by his band Maroon 5, Levine started off the song as an easygoing R&B-inflected pop tune before Aguilera showed up near the end to kick it all into high gear with her brassy, super-charged voice. As on the show, the two singers have a terrific chemistry, with Levine's chill vibe acting as the perfect counterbalance to the diva's fiery intensity.

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