American Idol' winner returned to the stage one week after illness forced last-minute cancellation of her Las Vegas residency ...

Kelly Clarkson kicked off her Las Vegas residency's first show with an apology to fans after postponing opening night last ...

"I cried. I was so sick, it was terrible", Kelly Clarkson explained to her fans at the delayed opening of her Las Vegas ...

The first of her Kelly Clarkson: Studio Sessions show was postponed after prep and rehearsals "took a toll" on the talk show ...

Kelly Clarkson took to the stage for her Las Vegas residency and apologized for her canceled shows the previous weekend.