Taylor Swift is the youngest lady in the list being only 26. She holds the 60th place among America's richest self-made women with the net worth of $250 million. She did not believe in her outstanding success when millions fans fell in love with the shy country singer making her modern pop idol.

Thirty-two year-old Sophia Amaruso has taken the 53rd place. She has made her fortune ($280 million) with online retail. In 2006, she started with an eBay store Nasty Gal Vintage selling vintage clothing pieces. Later she launched her own website Nasty Gal. The revenues started growing quickly.

Famous RnB diva Beyonce Knowles (34) holds the 56th place in the Forbes list. The former singer of Destiny's Child has made a fortune of $265 million. Rapper Jay Z helped her make a name for herself and later became her husband.

Jessica Alba (35) holding the 42nd place in the given list has earned her fortune not with acting career but with the company she founded. The Honest Co. sells nontoxic household goods.

Marissa Mayer (41) is a very determined lady. She started building her fortune ($430 million) in Google where she worked for 13 years. Due to her business acumen, she became the highest-paid top manager in the United States. Taking the helm at Yahoo, Marissa started earning $42 million per year.

Home design site Houzz brought Adi Tatarko the $300 million fortune. She started the project alongside her husband Alon Cohen with a small forum where people could share home design ideas and masters' contacts with each other. Later, the portal became the floor for 30 million visitors monthly. Nowadays, Houzz has 500 people staff and cooperates with around 700,000 professional designers.

NYX Cosmetics founder Toni Ko has taken the 57th place with the fortune of $260 million. Toni confesses that she has always loved cosmetics and even worked at her parents' beauty supply business after school.

Only five years ago, Sara Blakely was an ordinary American with mere $5,000 on her bank account. But everything changed when she invented special foundation garments, including undergarments and bodysuit shapewear. Oprah Winfrey named the product as one of her "favorite things" during her TV show, and shortly afterwards Sara made her multi-million fortune ($1.01 billion).

Sheryl Sandberg (46) is another lady of the IT sphere in our list. She is the Facebook Chief Operating Officer responsible for sales, marketing, business development, staff, and communication.

Forty-seven year-old Susan Wojcicki earned her $350 million fortune working at Google. She was among the first employees of the IT giant (her sister is Brin's ex-wife). Currently, she is the CEO of the world's largest video platform YouTube.