Back in 1998, the fashion industry got turned upside down by a little gal named Sara Blakely. For women, dressing up (or down) would never be the same.

With just $5000, (her whole life savings) Blakely designed what is now known as "Spanx", essentially reinventing the girdle.

That hard work paid off in 2012, when Blakely was named the youngest, self-made, female, billionaire on the Forbes List.