Country Music Music May 20, 2015 Shania Twain friend: Singer still upset with cheating ex-bestie Shania Twain’s ex-husband actually cheated on her with her best friend Marie-Anne Thiebaud, which was one of the hardest thing that the country singer has ever had to deal with. Now she is speaking out about how she wishes Mandy Robinson CONTINUE READING MORE LIKE THIS Carrie Underwood Talks Life On The Road, Does Her Own Hair, Makeup and More Rory Feek Says He Isn’t Writing Music or Performing, Doesn’t Want To Do It Without Joey Justin Moore Tells A Fan Off For Throwing Something At A Woman During Show [Video] Blake Shelton Says He Had To Dial It Back With Twitter Haters