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?

What The Sharks Of Shark Tank Looked Like Before All The Fame

Who Are the Investors on 'Shark Tank' Season 10? Charles Barkley and More to Appear on ABC Show

How Influencer Marketing Helped Build a $400 Million Brand: The SPANX Story, BANKNOTES

Sara Blakely's net worth, age, children, husband, wedding, contacts, profiles

Sara Blakely Net Worth

How Spanx CEO Sara Blakely Built a Billion Dollar Business

Spanx founder, Sara Blakely, is the world's youngest self-made female billionaire

Sara Blakely: The Woman Behind Spanx

Spanx founder Sara Blakely's advice for female entrepreneurs

Spanx names a new CEO

MasterClass Announces SPANX® Founder and Self-Made Billionaire Sara Blakely To Teach Entrepreneurship