One piano, one acoustic guitar and one Kelly Clarkson were all that was needed for the singer to blow her audience away with ...

Clarkson covering Houston on her show is familiar terrain. She has sung such hits as “How Will I Know,” “Saving All My Love ...

For the series's 1,000th episode, Clarkson belted out a gorgeous and seemingly effortless cover of one of Whitney Houston's signature songs, backed by a piano an acoustic guitar in lieu of her ...