Carrie Underwood has made a name for herself in music since winning American Idol in 2005, but her impressive career and past success on the show don't mean she's making the same money Katy Perry did as a judge on the show.

While both Grammy winners have consistently denied any animosity against each other, rumors have been circulating for years about tension between them

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