Kylie Cosmetics founder Kylie Jenner, 22, topped the Forbes magazine's list of 2020 youngest billionaires.
In 2019, the young woman sold part of the assets for $ 600 million but retained 49% of the business.
The sisters of Alexandra, 23, and Katharina, 24, Andresen ranked second and third, respectively. Each owns 42% of the shares of the Norwegian investment company Ferd, founded by their father.