Demi Lovato

It hasn’t been an easy ride for the singer over the years after she made a name for herself starring in ‘Camp Rock’ and 'Camp Rock 2: The Final Jam'

Despite personal struggles with drugs and alcohol, as well as overcoming an eating disorder, Demi has had major pop success, releasing eight studio albums, and been in several TV shows, including 'Will and Grace' and 'Glee'.