Sara Blakely
Reported Net Worth: $1 billion
Before Kylie Jenner unthroned her, Sara was the youngest woman which became a self-made billionaire. She earned that place in 2012.
Sara Blakely is the founder of Spanx – an American underwear maker focusing on shaping briefs and leggings.
Before she created Spanx, Sara had years of failures in different areas, and now her company with iconic shapewear is one of the best in her industry.