Jessica Simpson performed live on 'American Idol' after a 15-year hiatus, her last TV appearance being a 2010 Rockefeller Christmas duet

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.

The internet was buzzing after Jessica Simpson performed on the American Idol finale. Her first television performance in 15 years received mixed reviews from viewers, and Simpson opened up about how bad her nerves were before she stepped on stage.