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?

BELIEVE in Your IDEA!, Sara Blakely

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

How Spanx CEO Sara Blakely Built a Billion Dollar Business

Spanx names a new CEO

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

Sara Blakely took $5k in savings, changed the shapewear industry forev

Sara Blakely - News - IMDb

What Is Sara Blakely's Net Worth?

How did Sara Blakely become a billionaire? - Quora