Jamal Roberts of Meridian, Mississippi, is the new American Idol winner. What to know about the P.E. teacher who won Season 23.

Jessica Simpson took the "American Idol" stage Sunday night for her first television performance in 15 years.

"When I was a little girl ... if you had asked me what I wanted to do when I grew up, I would have told you I wanted to be a famous country music singer," season 4 winner Carrie Underwood told fans d...