Robert Irwin isn't afraid to sing along to his Dancing With the Stars music - and for good reason. "I [have] no idea about dance, but I do know I love music," Robert, 21, exclusively told Us Weekly following the Tuesday, September 23 live show, noting that partner Witney Carson keeps telling him to "feel that music" when they're performing. "For me, singing it, getting into it, and just giving every fiber of my being to this experience, that's why I'm here," he continued.