Demi Lovato is an actress and singer best known for her roles on Sonny with a Chance and Camp Rock and the singles “Give Your Heart A Break” and “Neon Lights.” Throughout her time in the spotlight, Lovato has struggled with an addiction to drugs and alcohol, an eating disorder, and mental illness, and she even lived briefly in a sober house before getting clean in 2012. Following her struggles, Lovato opened up about her issues in hopes of helping others, which she continues to do publicly, both in her multiple books and through her music. Lovato has been involved in an on-and-off relationship with Wilmer Valderrama for the last several years.