Billy Ray Cyrus just scored a major victory in his split from his estranged wife, Firerose. According to court documents filed on Wednesday, July 10, a Tennessee judge granted the “Achy Breaky Heart” singer’s motion to ban the 37-year-old from using his credit cards after she allegedly spent $96,986.05 between May 23 and June 7. Per the legal papers, the judge found “no legitimate reason for [Firerose] to have access to and to make any additional charges” on the cards. The documents also made it clear that both Firerose and Billy Ray, 62, must “exchange income and expense statements as well as…