She has an older sister, Dallas Lovato and a younger half sister, Madison De La Garza. Her mother was a Dallas Cowboys cheerleader and country musician father moved to New Mexico after their marriage ended in 1994. She received a baccalaureate through homeschooling in April 2009. She began playing piano at age seven.
Lovato started her acting career at the age of seven kids TV show Barney and Friends as Angela, who appears in seasons seven and eight together a long time friend Selena Gomez.
Lovato guest appeared in an episode of medical drama series Grey's Anatomy as a teenage patient whose parents took her in for schizophrenia.