Billy Ray Cyrus' «Achy Breaky Heart» seems to have moved on from Tish Cyrus. The 61-year-old country crooner and father of Miley Cyrus has seemingly started a new romance with 28-year-old Australian singer-songwriter Firerose.The two musicians have been featured on one another's social media accounts quite frequently in recent months. There's even been speculation that the pair are engaged after Firerose was spotted sporting a large diamond sparkler on that finger in recent pics. «They've been dating for a little while,» a Cyrus family source tells.