3. Martha Stewart
Lifestyle guru Martha Stewart has an estimated fortune of 323m.
Business magnate Martha has made her fortune by doing all sorts of things - but is most famous for being a cook and home expert. She is an author, editor, former stockbroker and model.
However it's not all glmour for Martha. In 2004 she was convicted of a felony, sentenced to prison, fined, and barred from serving on a public company Board of Directors and from serving in certain executive capacities for five years. She was released in March 2005.