Britney Spears' Niece Maddie Sings “Up N’ Down” [WATCH]

Britney Spears' Niece Maddie, who is the cute Three-Year-Old daughter of Britney Spears's little sister Jamie Lynn Spears 'covers' her aunt’s “Up N’ Down”. "Up N' Down"-the song from her latest chart topping album "Femme Fatale."

Britney Spears uploaded the Video clip on her Facebook page and she post on her page- “OMG! Check out my niece Maddie covering Aunt Britney’s Up N Down. Sooooo adorable!”

Cute Maddy sung the song with a blond doll holding in her hand. Better to check out the clip below...

Watch Cute Maddie's Clip Below:

Listen Britney's "Up N' Down":