Hear Demi Lovato's pop track Heart Attack

Hear Demi Lovato's pop track Heart Attack The pop rock singer's leaked a week before its premiere the upcoming single "Heart Attack" cut off her next album, which is set to come out this year.

"Heart Attack" was co-written by Lovato along with Mitch Allan, Jason Evigan, Sean Douglas and Nikki Williams, and produced by the Suspex.

Demi spoke about her next album and said album "For a while, I could tell that when people would talk to me, they knew my story. I think I've opened up more on this album. My life began to evolve and I started to grow. These are songs about the celebration of life and how rewarding it can be. This is what this album is about."