Kelly Clarkson just admitted that a celebrity who went on to become a coach on 'The Voice' was once very 'mean' to her.

During a recent interview on Kylie Kelce's "Not Gonna Lie" podcast, Kelly Clarkson shared she did not know "American Idol" ...

Thursday's episode of The Kelly Clarkson Show marked the 1,000th episode of the singer's NBC daytime talk show, and Clarkson ...