“omg! Insider” caught up with Billy Ray Cyrus on Wednesday for the book signing of his memoir “Hillbilly Heart.” While the country star stayed mum about the status of his daughter, Miley’s engagement to “Hunger Games” star Liam Hemsworth, he did offer up his advice to the young couple, “What I’ve said to Miley and Liam is the main thing is you guys you got a great friendship. Make sure you take care of that and never lose it." For the latest entertainment news, check out "omg! Insider"on TV.