Last week Billy Ray Cyrus and wife of 17 years Tish announced they filed for divorce. New reports from US Weekly says that the real reason for the divorce is because Billy Ray found out the Tish cheated on him with at least 2 guys, one of which is rocker Bret Michaels. Michaels became tight with the family when him and Miley Cyrus teamed up for a duet. Since then rumors of a secret relationship between Tish and Bret have surfaced. Michaels rep denies the allegations. Click here for more on the Cyrus issues.