Dolly Parton’s mysterious husband of nearly 50 years is expected to join her on the stage for the first time ever.  Parton’s infamous goddaughter, Miley Cyrus, recently broke the news in an interview.  According to “,” Cyrus said Dean will not sing with Parton; he’ll just be by her side.  The rare appearance is set to take place at the couple’s 50th wedding anniversary party in May, 2016.