Listen: Demi Lovato’s New Single “Heart Attack” — World Premiere Tweet February 25, 2013 at 02:30PM EST by Beth Douglass Related: The X Factor, Music , Demi Lovato Credit: therealdemilovato on YouTube Demi Lovato’s new single, “Heart Attack,” just had its world premiere, and we can’t get enough of the power pop vocals. It’s confident, full of energy, and full of everything we love about the sassy X Factor judge. Take a listen.
