SignalHub-These are the top 10 youngest wealthiest women in America. Can you guess who they are?

Some created cosmetic companies. Others are SignalHubmusicians. One created a dating app.

Forbes recently released its list of the nation's 100 Richest Self-Made Women which includes young female entrepreneurs from California all the way south to Florida.

Nine of the youngest are multi-millionaires. One is a billionaire.

All of them are under age 40.

Here are the top 10 youngest wealthiest women in America, starting with the youngest self-made money maker.

Kylie Jenner

• Rank in full list: 38
• Age: 25
• State: California
• Net worth: $680 million
• Source: Cosmetics

Lucy Guo

• Rank in full list: 76
• Age: 28
• State: Florida
• Net worth: $360 million
• Source: Artificial intelligence

Taylor Swift

• Rank in full list: 34
• Age: 33
• State: Tennessee
• Net worth: $740 million
• Source: Music

Whitney Wolfe Herd

• Rank in full list: 52
• Age: 33
• State: Texas
• Net worth: $510 million
• Source: Dating app

Rachel Romer

• Rank in full list: 84
• Age: 34
• State: California
• Net worth: $320 million
• Source: Online education

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Rihanna

• Rank in full list: 20
• Age: 35
• State: California
• Net worth: $1.4 billion
• Source: Music and cosmetics

Christina Cacioppo

• Rank in full list: 71
• Age: 35
• State: California
• Net worth: $385 million
• Source: Software

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Neha Narkhede

• Rank in full list: 50
• Age: 38
• State: California
• Net worth: $520 million
• Source: Software

Iman Abuzeid

• Rank in full list: 77
• Age: 38
• State: Texas
• Net worth: $350 million
• Source: Healthcare marketplace

Huda Kattan

• Rank in full list: 66
• Age: 39
• State: California
• Net worth: $400 million
• Source: Cosmetics

Natalie Neysa Alund covers breaking and trending news for USA TODAY. Reach her at [email protected] and follow her on Twitter @nataliealund.