Photo: justjared.com

Back in 2010, Billy Ray Cyrus and his wife Tish split up over rumors that she was cheating with Bret Michaels. Billy even filed for divorce.

But Tish and Bret denied the affair, and Billy and Tish eventually patched  things up.

Unfortunately, the patch didn't hold. This time Tish is the one who  filed for divorce, citing irreconcilable differences.

She wants spousal support, and for Billy Ray to pay her attorney fees.   She also wants full physical and legal custody of their 13-year-old daughter  Noah. Miley is 20, so obviously there's no custody issue there.

Billy Ray and Tish have been married 19 years. They have THREE kids  together.  In addition to Miley and Noah, there's also Braison, who's  19.

Tish also has two adult children from her previous marriage, and Billy Ray  has one adult son from a previous relationship.  His name is Christopher  and he was born in 1992, just like Miley.  It was a busy time for Billy Ray.