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.