Alfonso Ribeiro may be forced to leave "Dancing With the Stars." TMZ is reporting that Ribeiro injured his back in rehearsal Wednesday night overcompensating for the groin injury he suffered performing the famous Carlton dance. The injury is allegedly serious and may compromise his ability to continue in the competition. Sources told HuffPost Entertainment that Ribeiro was indeed injured during rehearsal and undergoing medical evaluation. His status for Monday's show is unclear.
Watch Ribeiro's Carlton dance performance below.