Gwen began her career as lead-vocalist of the popular ska band No Doubt and has since become one of the most famous women in rock and pop. With a combination of beauty and talent she has sold over seven million records as a solo artist, as well as being a successful fashion designer! The third single from her debut solo album, "Hollaback Girl", was the first US digital download to sell one million copies. Stefani's second solo album, The Sweet Escape (2006), yielded "Wind It Up", "4 in the Morning", and the highest-selling single "The Sweet Escape". Including her work with No Doubt, Stefani has sold more than forty million albums worldwide. She won the World's Best-Selling New Female Artist at the World Music Awards 2005. In 2003, she debuted her clothing line L.A.M.B. and expanded her collection with the 2005 Harajuku Lovers line, drawing inspiration from Japanese culture and fashion. Stefani performs and makes public appearances with four back-up dancers known as the Harajuku Girls dancers. Billboard magazine named Gwen the fifty-fourth artist and thirty-seventh Hot 100 artist of the 2000–09 decade.