Stars Rejected by 'American Idol' - See Which Artists Failed to Get Past the Auditions!

3. Colbie Caillat

The “Bubbly” singer tried out two separate times for the show, only to be later invited on as a mentor.

“I wasn’t ready for it at all. I was shy. I was nervous. I didn’t look the greatest. I wasn’t ready for it yet. I was glad, when I auditioned, that they said no,” she told USA Today.

4. Mickey Guyton

Mickey tried out for Season 8 of the show, and was eliminated right before the live episodes. She went on to become a Grammy Award nominee by 2022.