Playboy boss HUGH HEFNER will finally grant girlfriend HOLLY MADISON’s wish of becoming a mother - after agreeing to seek fertility treatment. Madison has regularly expressed her desire to become a mother during the couple’s reality TV show The Girls Next Door. And it seems the magazine mogul has agreed to become a father for fifth time. According to Hollywood gossip columnist Janet Charlton, the 81-year-old and Madison were spotted visiting a Beverly Hills gynaecologist who specialises in vitro fertilization.