Life really couldn’t get any better for Jessica Simpson - she’s engaged, she has a new album, she performed at the Macy’s Thanksgiving Day Parade and her fashion line has become one of the most successful celebrity fashion lines of all time - potentially the first ever to earn more than a billion dollars in retail sales!

The pretty 29-year-old graces the cover of Women’s Wear Daily on Monday with the headline, “Jessica Simpson: Fashion’s Billion Dollar Baby,” and the article notes that her line has brought in $750 million in retail sales alone this year.  That’s $750,000,000.  Wow!

It is estimated that the Jessica Simpson Sportswear and Jeanswear lines will generate between $150 million and $200 million in retail sales within the next two years. 

“She’s the girl next door and has great product that surrounds her,” Vince Camuto, the founder and chief executive officer of Camuto Group, the brand’s master licensee, told the magazine.  “People like her. People look at her as a style icon.”

The Jessica Simpson Collection currently includes shoes, dresses, jean, sw