In case you didn't already know, Britney's Spears younger sister Jamie Lynn Spears had her daughter Maddie when she was only 16. Her daughter now three, apparently enjoys singing just like her aunt. Britney released a video of Maddie singing her song "Up N' Down" (Up N' Down, from Amazon) on her official YouTube page last night and it is adorable.




Here is Britney's version of the song:

Do you think singing runs in their family? Do you think Maddie could be the next member of their family to go into show business?

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