Spanx Founder Sara Blakely with models wearing Spanx at the Spanx News Photo - Getty Images

Spanx Founder Sara Blakely with models wearing Spanx at the Spanx Fall 2012 Fashion Week Presentation on February 13, 2012 in New York City. Get premium, high resolution news photos at Getty Images

886 Spanx Images Stock Photos, High-Res Pictures, and Images

Spanx founder Sarah Blakely rewards workers with $10,000 and first

1,101 Sarah Blakely Photos & High Res Pictures - Getty Images

I put my butt on the line': how Spanx took over the world, Accessing expertise

Founder of Spanx, Sara Blakely poses for The Times Magazine on

67 Woman Spanx Stock Photos, High-Res Pictures, and Images - Getty

Oprah, Reese Witherspoon Invest in Spanx at $1.2 Billion Valuation at Blackstone - Bloomberg

885 Spanx Images Stock Photos, High-Res Pictures, and Images

Persistence is Key: How Sara Blakely Made a Billion Dollars

How a decade of rejection rocketed billionaire Spanx founder Sara