Country star Shania Twain told Extra that she's living her best life. She said, ?I?m 53, and I?m happy as ever to be my age. Real is good." When Shania was asked about her secret to happiness, she said it's her career. She revealed, "My career is more fun now than ever, and I?m enjoying life.? Shania's currently a judge on the new USA competition show "Real Country."