What recording artist works with the same record label as DJ Khaled and used to be on "Barney & Friends"?
Roc Nation:  The company is home to a diverse roster of recording artists, musicians and record producers such as J. Cole, Big Sean, Claudia Leitte, Vic Mensa, Grimes, Demi Lovato, DJ Khaled, Omarion, T.I., The LOX and Lil Wayne. 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.
Demi Lovato