Sarah Jessica Parker- The 'Sex and the City' star first created her own line called Bitten for Steve & Barrys stores. Now, the actress is one of the creative minds behind fashion house Halston.
Elle Macpherson- The Austrailian model does Virgin Blue's flight attendant uniforms and has her own line of lingerie.
Jessica Simpson- The singer's line of women's clothing, handbags, shoes and accessories is set to hit the $1 billion mark next year. She is also launching a clothing line for 'tween' girls with her sister, Ashlee Simpson.
Snoop Dogg- The California rapper launched his line in 2001.
Elizabeth Hurley- The actress designs swimwear.
Victoria Beckham- Former Spice Girl Victoria Beckham was known for her style as Posh Spice, but today she is known for the chic denim line she launched in 2006. She also designs handbags and perfume.
Sienna Miller- Miller launched her line called 'Twelve8Twelve' in 2007.
Hilary Duff- The former Disney Channal star has her own line called 'Stuff' by Hilary Duff and is behind the DKNY's 'Femme' line.
Justin Timberlake- The singer/actor launched his William Rast line in 2005.
Kate Miss- In 2007, the model designed a line for Top Shop.
Gwen Stefani- The No Doubt singer's line L.A.M.B. launched in 2004.
Jay-Z- The rapper launched Rocawear in 1995.