Christina Aguilera’s Britney Spears Impression.

Christina Aguilera and Britney Spears have a long history. They’ve been co-stars, friends, enemies (apparently), but at this age we like to think there’s a mutual respect for each other.

On Jimmy Fallon, Christina was challenged to a game of random musical impressions and by “luck” she ended up getting chosen to sing “This Little Piggy” in the voice of Britney Spears. She absolutely nails it. Watch it here.

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