Named as the world's youngest, self-made female billionaire by Forbes and one of the 100 most influential people by TIME in 2012, founder Sara Blakely launched Spanx, solving women's problems everywhere. Blakely found that she needed an undergarment for her white pants while getting dressed for a party. Not finding a suitable one for a 'blemish-free look', she grabbed a pair of scissors and pantyhose, her genius design was created. Since then, she launched undergarments and shape-wear ranging from clothing lines to swimwear. "Putting her butt on the line pays off"