Dita Von Teese walked out on estranged husband Marilyn Manson on Christmas Day (25Dec06) after discovering a shocking secret he was keeping. The burlesque star insists she and the shock rocker were blissfully happy until the break-up. She refuses to reveal what drove them apart, but hints Manson may have cheated. She tells Harper's Bazaar magazine, "We were completely monogamous. I think people thought we were free and open, but we really believed in commitment, tradition and our vows. But sometimes people change their ideas, I suppose." On what caused the split, she adds, "Let's say it must have been something pretty bad!"