Jessica Simpson in a really good place now, $750 million in the bank

According to WWD, Jessica Simpson has every reason to smile. "Things are going great for her right now," says a source close to the singer. "She's in a really good place now."

Simpson is on the cover of WWD on Dec. 6, with the headline, "Jessica Simpson: Fashion's Billion Dollar Baby."

The Jessica Simpson Collection is one of the most successful celebrity fashion lines , with over $750 million in retail sales this year alone, WWD reports.

"She is the girl next door and has great product that surrounds her," Vince Camuto, the founder and CEO of Camuto Group, her brand's master licensee, told WWD. "People like her. People look at her as a style icon."

Simpson is planning a new sportswear line for next fall.