Great news! Demi Lovato will be performing ‘Heart Attack’ at ‘Jimmy Kimmel Live’ on April 1st. Mark your calendar and check your local listings for more information! Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) 0 comment 0 Facebook Twitter Google + Pinterest previous post Demi Lovato @ ‘Twin Towers Alive’ Press Conference Photos – March 18th next post Demi Lovato @ ‘Twin Towers Alive’ Photos Updates on March 18th! Leave a Comment Cancel Reply Notify me of follow-up comments by email. Notify me of new posts by email.