Working Women: 10 Ambitious Celebs Turned Businesswomen

Stefani has been a success on the pop charts and the runways. In 2004, the No Doubt singer, launched her high-end fashion line L.A.M.B., which took inspiration from Asian styles. She got hands-on with this line, becoming involved with the production of her products, which include shoes, bags, jewelry, fragrances and RTW. The brand is said to bring in $100 million in annual sales. Stefani also came out with a less expensive Japanese-inspired line called Harajuku Lovers Collection. [Photo via @gwenstefaniii]