Carrie Underwood has come full circle in 20 years. Her big break came when she earned an "American Idol" crown in 2005. On Sunday, she joins the show as a judge.

Ahead of the 23rd season of "American Idol," it's time to look back on previous winners and see how many actually became ...

Carrie Underwood was the obvious pick to join the judging panel after Katy Perry's exit, according to 'American Idol showrunner ...

Season 23 of “American Idol” is beginning with a homecoming of sorts. Katy Perry, who has served as a judge since the series ...