Jessica Simpson admitted she was “dying” during her “train wreck” performance on the Season 23 finale of “American Idol” Sunday. “Oh, my God, I was dying,” she told “Extra” Monday. “I can’t even tell you how long it’s been since I’ve been that nervous.

Jessica Simpson was shaking in her boots while singing on the Sunday, May 18, episode of American Idol, as it marked her first live performance in 15 years! After a duet with former contestant Josh King and a solo rendition of her new song "Blame Me,