Spanx founder Sara Blakely speaks onstage during the Massachusetts News Photo - Getty Images

Spanx founder Sara Blakely speaks onstage during the Massachusetts Conference for Women at Boston Convention & Exhibition Center on December 8, 2016 in Boston, Massachusetts. Get premium, high resolution news photos at Getty Images

Photos: Spanx founder Sara Blakely through the years – KIRO 7 News Seattle

1,101 Sara Blakeley Photos & High Res Pictures - Getty Images

1,101 Sara Blakey Photos & High Res Pictures - Getty Images

Photos: Spanx founder Sara Blakely through the years

1,101 Sara Blakeley Photos & High Res Pictures - Getty Images

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

What Is Sara Blakely's Net Worth?

Photos: Spanx founder Sara Blakely through the years

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Spanx founder Sara Blakely sells majority stake in company to Blackstone - CBS News

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

894 Spanx Photos & High Res Pictures - Getty Images

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

1,101 Sara Blakey Photos & High Res Pictures - Getty Images