Oprah Winfrey's net worth is an estimated $2.6 billion.
She is a media mogul, a celebrated actress, and a philanthropist.
Business Insider reports she grew up poor and had a difficult childhood.
She transformed her famous talk show, "The Oprah Winfrey Show," into a media and business empire.
How does she spend her money?
Winfrey has a diverse real-estate portfolio, with property all over the world.
But Winfrey says her "greatest luxury" is flying private on her own plane.
Winfrey has given millions of dollars to charitable causes, including building schools in rural areas across the globe.