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Nancy O'Dell

This beautiful co-host of "Access Hollywood" was set to participate in the eighth season of "Dancing with the Stars" on ABC, but had to withdraw before the season even started due to a knee injury sustained while training for the show. She later underwent arthroscopic surgery to repair a torn meniscus in her knee. Her replacement was Melissa Rycroft from "The Bachelorette," who eventually took 3rd place. -- Andrea Reiher ABC