Demi Lovato rehearses for her performance on Jimmy Kimmel Live in Los Angeles on Monday afternoon (4/1/2013).

Demi Lovato performed her hit single “Heart Attack” on the program.

“Getting so excited to perform “Heart Attack” on TV for the first time on @JimmyKimmel Live tonight!!! 11:35/10:35c on ABC!!” Demi excitedly tweeted.


Earlier today, Demi announced that her fourth album, Demi, will drop on May 14th.