Sara Blakely just became an entrepreneur again, but not everyone's sure about $400 sneaker heels

Tech Insider
A black and silver Sneex shoe.
Sara Blakely's next act is the footwear brand Sneex.

Sneex

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

Tech Insider
Sara Blakely
Sara Blakely.

Gilbert Flores/Variety/Penske Media via Getty Images

The history of Skims: Kim Kardashian's wildly popular $4 billion shapewear line

Tech Insider
Kim Kardashian at a Skims event.
Kim Kardashian said she might be more "covered-up" in Skims campaigns as she gets older.

Kevin Mazur/Getty Images

Subscribe to Spanx