BREAKING: Demi Lovato is BACK, and you can hear the tiniest snippet of her new single "Heart Attack" in the video above! The clip begins with Demi explaining how this is the most real she's ever gotten on an album, and we can't wait to hear what the power diva has in store for us. We're hoping for some really personal lyrics, Demi! Her single is due Tuesday, March 4th, which is two weeks away and we don't think we can wait that long. Her new tune sounds so exciting!

Can you wait to hear Demi's new single "Heart Attack"? Share your thoughts in the comments...