Demi Lovato is standing her ground. Two days after the singer sang “Heart Attack” at the American Heart Association’s Go Red for Women Red Dress Collection Concert, an annual charity event to… Share this:FacebookXRedditPocketPrintEmailMastodonTumblrWhatsAppPinterestLike this:Like Loading... Post navigation Sam Waterston Leaves Law & Order as Scandal Alum JoinsWaterproof Makeup That Will Stay On During Valentine’s Day Activities