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. 

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Sara Blakely

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

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Sara Blakely

How a decade of rejection rocketed billionaire Spanx founder Sara Blakely to mega success

Sara Blakely

How Spanx founder Sara Blakely makes and spends her $1.1 billion fortune

Shark Tank Guest Sara Blakely of Spanx Wears Dress Backwards on TV

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

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