Britney Spears surprised Jimmy Kimmel in the middle of the night. It's adorable, and it's funny, but is it a prank? Subscribe for more videos! http://full.sc/NfhdwD

Britney's prank: https://www.youtube.com/watch?v=Nrvdij8ab-Y
Rihanna's prank: https://www.youtube.com/watch?v=N-w8lEL_0y4

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