‘Dancing With The Stars’ Biggest Secrets From Season 33

After a few weeks of two-stepping with Britt Stewart, Eric Roberts discovered an unusual ailment.

Stewart, 35, told Life & Style: “He got a little twinge in his back. He went to a physical therapist, and they diagnosed him with a weak b—.”

The King of the Gypsies star, who was eliminated on October 8, was embarrassed by the diagnosis at first, but “Britt made my b— very firm,” Roberts, 68, insisted of their training, adding that his wife, Eliza Roberts, 71, was pleased by the results.