Fans were left disappointed after Clarkson announced the last-minute cancellation, promising to return after a week of vocal rest.

Kelly Clarkson postponed the weekend opener of her Las Vegas residency, hours before the show, to protect against 'serious damage' to her voice.

Kelly Clarkson's Las Vegas residency didn't kick off as planned. Less than two hours before she was set to take the stage at The Colosseum at Caesars Palace on July 4, Clarkson announced to fans that she was postponing the start of her residency because of vocal issues.