Madison Lee De La Garza, is an American actress, and is the younger half-sister of which American singer, songwriter, and actress, that after making her debut as a child actress in "Barney & Friends, she rose to prominence in 2008 when she starred in the Disney Channel television film "Camp Rock"?
Demi Lovato: Demetria Devonne Lovato, known professionally as Demi Lovato ( or ; born August 20, 1992), is an American singer, songwriter, and actress.
i don't know