Who is Sara Blakely? Get to know billionaire Spanx founder as she joins investors on Shark Tank

This week's Shark Tank sees Sara Blakely, the billionaire founder of Spanx, join the show as a guest investor. But did you know her amazing backstory?

Sara Blakely's First EVER Shark Tank Deal, Shark Tank Firsts

Spanx founder Sara Blakely's advice for female entrepreneurs

How did Sara Blakely become a billionaire? - Quora

Sara Blakely

How Spanx Billionaire Sara Blakely Makes and Spends Her Fortune

Spanx Founder Sara Blakely Shares Her Best Advice For Entrepreneurs At The Forbes Next 1000 Summit

Sara Blakely - News - IMDb

How Spanx Billionaire Sara Blakely Makes and Spends Her Fortune

Sara Blakely Net Worth

Sara Blakely: My inspiration was my own butt

Billionaire Sara Blakely Pledges to Give Away Half of Her Fortune