America’s Richest Self-Made Women

Sara Blakely – $1 billion

After needing some shapewear to wear under her slacks for work, Sara came up with the genius invention of Spanx. She invested a mere $5,000 into the idea and started selling the concept at Neiman Marcus.

Earl Kibby | CNBC

The company has come a long way and now sells the shapewear in 65 countries and Blakely is involved in all day-to-day operations. In addition, Sara has been a guest judge on Shark Tank and invests in other startups.