Lovato is far from the only star with an unconventional family life.
Why Demi Lovato Is Being Open About Getting Injectables in Her Early 30s: 'It's Not Taboo' (Exclusive)
Demi Lovato reveals secret half-sister: 'I never knew my whole life!
Demi Lovato has secret half-sister: Strangest celeb family drama
Demi Lovato Fans Divided Over New Look At Oscars Party: Photos
Demi Lovato - Simple English Wikipedia, the free encyclopedia
Demi Lovato: I Have a Secret Half-Sister
HALF-SISTER in Korean Translation
Celebrities With Their Siblings, Pictures
Demi Lovato's Sister's Transformation: Looks So Different On 16th Bday – Hollywood Life
Celebs whose estranged parents reached out to them only when they got famous : r/popculturechat
Demi Lovato reveals secret half-sister: 'I never knew my whole life!
Demi Lovato: Dancing With the Devil': Everything We Learned