Who? Huda Kattan, founder of Huda Beauty
How much? $550 million
Background: Kattan began blogging in 2010, amassing a cult-like following that has now reached 26 million on Instagram. She began her family business when she joined forces with sisters Mona and Alya to launch fake eyelashes. Today, the brand has expanded to sell everything from lip strobes to eye shadow palettes and foundation. This Summer, the mogul returned to her viral roots, starring in a Facebook Watch reality show called Huda Boss that gives viewers a peek into her business.