Carrie Underwood allegedly sang at the inauguration to 'spite' Taylor Swift, a source says. Here's what to know about the theory.

During Monday's episode of "American Idol," Carrie Underwood shared a heartfelt testimony after contestants went head-to-head during a performance of Brandon Lake's "Gratitude." ...

Carrie Underwood has made subtle jabs at Taylor Swift over the years, particularly about her high-profile relationships ...

On Monday night's "American Idol" episode, Carrie Underwood choked up as she delivered feedback to two women who covered Brandon Lake's "Gratitude." ...