Swimwear Success

Thanks to her focus on social media marketing, the brand has grown organically over the years and has expanded to include ready-to-wear clothing, activewear, and beauty. It's sold at luxury retailers Bloomingdale's, Saks, Revolve, and Kith, and has put out a number of exclusive collaborations. This year, mega-brand Victoria's Secret reportedly dropped $18 million for a minority stake in the company.

3 of 6