Demi Lovato
Follow acting sensation-turned-pop diva Demi Lovato, from her early years on Barney the Dinosaur to her debut as a mature, seasoned mentor on the X-Factor; featuring interviews with Demi Lov... Read allFollow acting sensation-turned-pop diva Demi Lovato, from her early years on Barney the Dinosaur to her debut as a mature, seasoned mentor on the X-Factor; featuring interviews with Demi Lovato, Simon Cowell, and L.A. Reid.Follow acting sensation-turned-pop diva Demi Lovato, from her early years on Barney the Dinosaur to her debut as a mature, seasoned mentor on the X-Factor; featuring interviews with Demi Lovato, Simon Cowell, and L.A. Reid.