Demi Lovato announces new song 'Substance' - Good Morning America

Demi Lovato's new song drops July 15. Their eigth studio album will follow not long after, on Aug. 19.

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Demi Lovato says she relapsed in new song - Good Morning America

Demi Lovato announces new song 'Substance' - ABC News

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Demi Lovato announces new song 'Substance' - Good Morning America

Demi Lovato - SUBSTANCE (Official Video)

Demi Lovato announces new song 'Substance' - Good Morning America

Demi Lovato Is in a 'Happy and Healthy Relationship' with Musician