I have a theory. You have sex with Brett Michaels and it will kill your marriage. Even if you happen to be married to Bret Michaels. Still, hard to imagine that Tish Cyrus and Billy Ray Cyrus, the pair who produced such great hits as Miley Cyrus and whatever their other four kids names are that didn’t quite make it, are splitting up after such a long run. The divorce should free Billy Ray to focus on new ways to re-release his single hit and Tish to focus on making more money off of her children. Also, they both can now re-marry younger versions of their former spouse.