Kelly Clarkson appeared on a season 5 episode of this fan-favorite drama — and now she's apologizing to the cast and crew.

Kelly Clarkson is looking back on the American Idol days — and accidentally fudging some crucial details. When friend and singer Clay Aiken, 46, stopped by The Kelly Clarkson Show on Monday ...

Kelly Clarkson's 'Kellyoke' cover of "Red Wine Supernova" by Chappell Roan included a few spicy, unchanged lyrics that have fans buzzing.