Miley Cyrus just dropped a new single -- less than a week after she announced her split with Liam Hemsworth -- and the lyrics seem to reflect the real-life struggles of her failed relationship. In fact, 2 sources say that's exactly what she wrote about. Also, Khabib Nurmagomedov tells TMZ Sports Conor McGregor should be arrested and thrown behind bars for socking an elderly man in the face.