Shania Twain Is Engaged to the Ex of the Woman Who Stole Her Husband Max Read · 12/21/10 03:10AM Singer Shania Twain is engaged to businessman Frédéric Thiébaud (not pictured). They met through their ex-spouses, who left Twain and Thiébaud for each other. So it all worked out! Can't wait to read the Times "Vows" article on this!