Shania Twain is sparking rumors that she's dating the husband of the woman her ex is alleged to have had an affair with after the mystery man spotted escorting the singer around New York City was identified as Patrick Thiebaud. Twain broke up from husband Robert "Mutt" Lang in May following his revelation that he was romancing the couple's longtime secretary Marie-Anne Thiebaud, who was the manager of their Swiss estate. And it appears the two hurt exes have formed a special friendship after Thiebaud's husband joined the country star for a trip to New York. The couple arrived at New York's John F. Kennedy Airport on Thursday.