ET got a behind-the-scenes sneak peek at Blakely's guest-starring role.
Sara Blakely on LinkedIn: Spanx founder Sara Blakely: The two fears 'I'm constantly working on' to…
Sara Blakely's First EVER Shark Tank Deal, Shark Tank Firsts
SPANX Founder Sara Blakely on Overcoming Fear of Failure in Business
Sara Blakely's First EVER Shark Tank Deal, Shark Tank Firsts
Spanx founder Sara Blakely learned an important lesson about failure from her dad — now she's passing it on to her 4 kids
Spanx CEO Sara Blakely offers advice to redefine failure
Sara Blakely
The team behind Spanx talks trends and bringing brand into self-love era, The Daily Courier
Masters of Scale: How to find your big idea, with Sara Blakely
SPANX Founder Sara Blakely on Overcoming Fear of Failure in Business
The team behind Spanx talks trends and bringing brand into self-love era, The Daily Courier
Why Spanx's Sara Blakely kept billion-dollar idea secret
SPANX Founder Sara Blakely on Joining 'Shark Tank': 'I Was Flooded With Emotion' (Exclusive)
Sara Blakely on LinkedIn: Spanx founder Sara Blakely: The two fears 'I'm constantly working on' to…
Spanx founder Sara Blakely introduces new athleisure wear - CBS News