Who? Anastasia Soare, founder of Anastasia Beverly Hills
How much? $1 billion
Background: After immigrating to Los Angeles from Romania in 1989, Soare worked in a salon for three years. ABH launched in 2000 with a line of brow products, which soon became the brand's specialty. It wasn't until Soare's daughter Claudia began showing off the brand on Instagram that its popularity truly peaked. Now, it's worth a cool $200 million.