Forget music... How Jessica Simpson's fashion empire is on course to break $1billion in sales

By TAMARA ABRAHAMBy TAMARA ABRAHAM Fashion's $1billion woman: Jessica Simpson's fashion label is set to enjoy record sales next year Her film career appears to have been a one-hit wonder, and her latest album has had mixed reviews. But Jessica Simpson, it seems, has quietly been making a huge success of her fashion label.The 30-year-old, who launched her clothing label just three years ago, is