The show must go on for Robert Irwin! Even with a nasty injury! Yeah, you read that correctly! Witney Carson revealed in a video on TikTok Monday night that her celebrity partner injured his ribs before the Dancing With The Stars finale! Ugh! The ballroom dancer explained that both of their bodies are "falling apart" after 11 weeks of grueling rehearsals, adding: "Today at [camera] blocking is a little stressful because we just have to make the freestyle all come together.