Dolly Parton is pushing back her Las Vegas shows by nearly a year due to her health. "I want the fans and public to hear directly from me that, unfortunately, I will need to postpone my upcoming Las Vegas concerts," the legendary country music singer, 79, said in a written statement shared via Instagram on Sunday, September 28. "As many of you know, I have been dealing with some health challenges, and my doctors tell me that I must have a few procedures.