Demi Lovato reveals sister: Singer never knew she had a secret

quot;X Factor" judge Demi Lovato just found out she had an older half-sister.

Demi Lovato's 'Unidentified' TV Show Trailer: Watch

Demi Lovato discusses her documentary, new album, and 'California sobriety

Demi Lovato's 'Dancing With the Devil' Docuseries: Singer Opens Up About Sexual Trauma

Demi Lovato's 'Dancing With the Devil' Docuseries: Singer Opens Up About Sexual Trauma

The secret new man in Demi Lovato's life has been revealed, Gallery

Demi Lovato reveals secret half-sister

Demi Lovato discovers secret half-sister

Demi Lovato breaks silence over drug overdose and friend betrayal - Mirror Online

30+ Demi Lovato Facts Every Fan Should Know

Demi Lovato Fans Divided Over New Look At Oscars Party: Photos

Demi Lovato Relives Overdose in Dancing with the Devil Music Video