Demi Lovato startled the audience at the American Heart Association’s Red Dress Concert with an unexpected clothing change that exuded both elegance and rock star vibes.

Taking the stage in a flowing crimson gown with a dramatic train, Heart Attack presented a stunning performance of her hit ballads, enthralling the audience with her emotive voice and stage presence.

But the night hadn’t ended yet. Midway through her performance, Lovato stunned everyone by leaving backstage, only to reappearance moments later in a complete change.

The flowing gown was replaced by a stunning red jumpsuit, complete with matching leather jacket and dramatic earrings.

“Tonight is all about reminding women how important it is to advocate for ourselves and prioritise our health,” she stated in one of her posts. “Join me and @american_heart and @goredforwomen as we Go Red for Women!”

The Let It Go singer’s dynamic combination of ensembles wowed both fans and reviewers alike. Social media was awash with appreciation for the singer’s range and bold choices. One admirer wrote, “From angelic to rockstar, Demi Lovato commanded the stage today! “The outfit change was epic!” Another person said, “She’s come so far, and it shows. Both looks were amazing, but that red suit? Pure fire!”