Melanie GriffithMelanie Griffith has struggled with substance abuse for decades and entered rehab for the third time last August. While medical treatment has helped starve her addictions, Griffith reveals Antonio Banderas, to whom she has been married for nearly 14 years, was her biggest cheerleader during her struggle. Griffith even admits her recent trip to rehab actually brought them closer together. "He did everything," Griffith told PEOPLE. "He has been an amazing man."