Four of them are in their 20s. Three are singers; one is an athlete. One is already a billionaire.
Some started their own businesses, while others took over companies.
All 11 are on Forbes’ list of the richest self-made women under age 40.
Forbes defines the term "self-made" as anyone who did not inherit her fortune; the methodology is explained further here.
New to the list is Serena Williams, who is the first athlete to make Forbes’ list of richest self-made women under 40.
Williams, 37, is more than just a 23-time Grand Slam champion, however. She built her estimated $225 million fortune through her clothing line, S by Serena; her venture capital company, Serena Ventures; and stakes in the Miami Dolphins and mixed martial arts promotion company UFC.
“I want to be the brand instead of being the face,” Williams told Forbes.
Also new to the list is singer and businesswoman Rihanna, 31.
About $570 million of her estimated $600 million fortune comes from her cosmetics brand, Fenty Beauty, and her partnership with LVMH. She is now the wealthiest female musician in the world, and she made history as the first black woman to run a major fashion house in Paris.
» Rihanna is the richest female musician in the world
Here are the 11 richest self-made women under age 40, in alphabetical order:
Karissa Bodnar
Net worth: $275 million
Age: 29
Residence: Los Angeles
Self-made score: 9
Whitney Wolfe Herd
Net worth: $290 million
Age: 29
Residence: Austin, Texas
Self-made score: 8
Kylie Jenner
Net worth: $1 billion
Age: 21
Residence: Hidden Hills, California
Self-made score: 7
Huda Kattan
Net worth: $610 million
Age: 35
Residence: Dubai
Self-made score: 9
Beyoncé Knowles
Net worth: $400 million
Age: 37
Residence: Los Angeles
Self-made score: 8
Katrina Lake
Net worth: $380 million
Age: 36
Residence: San Francisco
Self-made score: 8
Neha Narkhede
Net worth: $360 million
Age: 34
Residence: Palo Alto, California
Self-made score: 8
Rihanna
Net worth: $600 million
Age: 31
Residence: Los Angeles
Self-made score: 10
Taylor Swift
Net worth: $360 million
Age: 29
Residence: Nashville
Self-made score: 8
Kim Kardashian West
Net worth: $360 million
Age: 38
Residence: Hidden Hills, California
Self-made score: 7
Serena Williams
Net worth: $225 million
Age: 37
Residence: San Francisco Bay Area
Self-made score: 9
» Forbes' 10 richest women in the world
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