"The whole journey was really healing for me," the singer tells PEOPLE of her recent Hulu documentary Demi Lovato is getting candid about being a child actor. The singer, 32, told PEOPLE at the ...

Demi Lovato is "a metalhead at heart". The 32-year-old singer - who started her career as a child star on 'Barney and Friends' before rising to fame on the Disney Channel - embraced a rock sound ...