According to reports, United States famous TV show host Oprah Winfrey has been named as the only African American female to become a billionaire with an estimated net worth of $2.9 million. Winfrey is also an entrepreneur, producer, actress and also the chairman of Harpo Productions. Notably, Winfrey’s famous talk show ‘The Oprah Winfrey Show’ has won 39 Daytime Emmy Awards.