Lovato, who is playing holiday radio concerts through December, recently dropped her latest album, Confident, which arrived at No. 2 on the Billboard 200. She will also be honored with the inaugural "Rulebreaker" award at Billboard's Women in Music event on Dec. 11 in New York.
This summer, Lovato will begin a 40-plus-date North American arena tour with Nick Jonas. The pair's Future Now Tour begins June 24 at the BB&T Center in Sunrise, Fla., and wraps mid-September at The Forum in Los Angeles.
Watch Lovato passionately deliver "Hello" in the video below: