Ever the risk-taker, Haley Reinhart tackles on a Led Zeppelin track with the help of her dad guitar. Too adorbs! Lil H stumbled on stage midway through her song but picked herself right back up! Randy Jackson praised Haley for her fearlessness. The punny Steven Tyler asked if she was falling for him. Har har. WATCH: Haley Reinharts performance of "I (Who Have Nothing)" by Jerry Leiber and Mike Stoller from May 11.