Demi Lovato is back and she’s released a killer new track called “Heart Attack.”

On Monday, she released the single to iTunes early after the song was leaked online and it went straight to #1.

The song is the first single since “Give Your Heart A Break,” which has been Lovato’s largest single to date.

The lyric video shows hash tags flying around the background with phrases such as #DemiIsOurHero and #MyBFFIsDemi.

Check it out!