SPANX Founder Sara Blakely on Joining 'Shark Tank': 'I Was Flooded

ET got a behind-the-scenes sneak peek at Blakely's guest-starring role. 

Sara Blakely

Madison kombucha kit maker to give 'Shark Tank' pitch Sunday

Sara Blakely: My inspiration was my own butt

Clearwater's Sara Blakely among investors in $150M fund for startups

Video] Sara Blakely on LinkedIn: #fbf #sharktank #whengoodproductsgobad #entrepreneur #entrepreneurship…

Shark Tank's Mark Cuban and Sara Blakely: How to Get to $1 Million

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

Billionaire Sarah Blakely's embarrassing moment led to Spanx success

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