Video: Britney Spears' Niece Sings 'Femme Fatale' Song
Watch a mini version of Britney perform Up N' Down'.
Britney Spears shared this super cute video on YouTube of her sister Jamie-Lynn's little girl doing a Brit.
"OMG! Check out my niece Maddie covering Aunt Britney's Up N Down," Britney posted.Brit's version of the 'Femme Fatale' album track has not been released as a single, with the next rumoured release said to be 'Inside Out'.
Check out Britney's niece performing her rendition of the 'Up N' Down' below.