Miley Cyrus' mother Tish has reportedly filed for divorce from husband of almost 30 years, country singing sensation Billy Ray Cyrus, 60. It's over: Miley Cyrus ' mother Tish has reportedly filed for divorce from husband of almost 30 years, country singing sensation Billy Ray Cyrus, 60. Some of the kids: from left, Trace Cyrus, Tish Cyrus, Miley Cyrus, Brandi …