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.

Demi Lovato shows off her toned legs as she gears up to perform at AMAs

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

Demi Lovato performs three songs on Good Morning America

Everything We Know About Demi Lovato's Overdose

Demi Lovato's engagement ring from fiancé Jutes has an eye-watering price of nearly $1 million, expert says

Demi Lovato Talks About New Album, Falling In Love With Apple Music

Demi Lovato Opens Up About Her Collaboration With Girl Up!, Demi Lovato

Demi Lovato Opens Up About Her Collaboration With Girl Up!: Photo 3950518, Demi Lovato Photos

Demi Lovato Live! GMA Summer Concert Series 2013 (HQ)

HOLY FVCK: Demi Lovato Returns To Music With A Brilliant New Album

Demi Lovato exclusively performs new song 'The Art of Starting Over' - Good Morning America

Demi Lovato release new single, 29 - Substream Magazine