Kelly Clarkson and Carrie Underwood, two of American Idol’s biggest stars, have been at the center of feud rumors.

While both Grammy winners have consistently denied any animosity against each other, rumors have been circulating for years ...

American Idol's original winner Kelly Clarkson shares how she feels about fellow Idol Carrie Underwood joining the judge's ...

In years past, fans suspected that Underwood and the first American Idol winner, Kelly Clarkson, had a feud. Here’s what a recent source said about how Underwood and Clarkson “never connected.” ...

Kelly Clarkson and Carrie Underwood have faces years of speculation the two are locked in a bitter feud, but what is the ...

American Idol' Season 23 judge Carrie Underwood 'never connected' with season 1 winner Kelly Clarkson, according to a source.

From contestants who nearly botched their auditions, to folks who floored the judges, these tryouts from past "Idol" winners ...

Other than Carrie Underwood and Kelly Clarkson, these three 'American Idol' winners have had several songs grace the ...