10. She blew out a vocal chord before the 'American Idol' finale.

Many fans never knew how close Alaina came to not being able to perform during the 'American Idol' finals. Second runner-up Haley Reinhart was standing by eagerly because Lauren Alaina had shredded a vocal chord. “I went on vocal rest, drank lots of tea, had medical assistance and most of all, prayed about it,” she explained. Us Magazine reports that nerves were the reason for the injury, but judging by how cool she looked once on stage, we hardly believe it.