Watch Demi Lovato warm up for their tour with a live performance of "Heart Attack" on the Honda Stage at Harry Bridges Memorial Park at the Queen Mary in Long Beach.

Demi’s album CONFIDENT available now! http://smarturl.it/dls2
Amazon http://smarturl.it/dlams2
Google Play http://smarturl.it/dlgps2
Stream http://smarturl.it/dlsts2?IQid=V

Facebook http://facebook.com/demilovato
Twitter http://twitter.com/ddlovato
Instagram http://instagram.com/ddlovato
Tumblr http://demilovato.tumblr.com
Official site http://demilovato.com