Queen Camilla.Camilla, 75, has had several title changes throughout her tenure as a member of the royal family — from the Duchess of Cornwall to queen consort — but what becomes of her name should her husband, King Charles, take his last breath?When Charles, then the Prince of Wales, married Lady Diana Spencer in 1981, she was addressed with the same label — even after they divorced in 1996. As for Camilla, she was wedded to her first husband Andrew Parker Bowles from 1973 until 1995.Diana then passed away in a fiery car crash in 1997 and her moniker died along with her.When Camilla and Charles tied the knot in 2005 and out of respect for Lady Di, the former Mrs.