Question: Rock Mafia has worked with an American singer, songwriter, and actress who made her debut as a child actress in what show?
Sentence (from "Demi Lovato"): After making her debut as a child actress in "Barney & Friends", Lovato rose to prominence in 2008 when she starred in the Disney Channel television film "Camp Rock" and released her debut single "This Is Me" which peaked at number nine on the "Billboard" Hot 100.
Relevant evidence: Yes