The musicians reflected on their 'Idol' and touring days in the early 2000s as Aiken sat down on 'The Kelly Clarkson Show' ...

Clarkson, the inaugural "American Idol" winner, briefly rewrote the singing competition series' history in an awkward on-air ...

"I'm sure we'll do stuff again," Aiken told Clarkson of working with the "Flying Without Wings" musician. "We're sort of ...

The “Stronger” singer, 42, suffered a hilarious slip-up on Monday’s episode of The Kelly Clarkson Show when she forgot ...

Clay Aiken must have been so impressive to Kelly Clarkson that the American Idol winner mistakenly thought he won his season ...

Aiken then defended her as well, admitting it had been "20 years" and they were both "getting older." Clarkson also explained ...

The Voice' season 26 champion Sofronio Vasquez had a fangirl moment when he appeared on 'The Kelly Clarkson Show.' ...

Billy Joel played a never-before-heard unfinished song on John Mayer's radio show to the delight of listeners.