At the height of her television fame, she also became one of the world's wealthiest people, as well as a major force in popular culture.
Oprah accumulated many awards and honors, both for her highly-rated talk show and for her work as a philanthropist.
She was so influential that several political candidates used her show to announce their intention to run for president.
I couldn't do it." WATCH: Oprah Winfrey Says Stedman Is Doing Weight Watchers to 'Stay Healthy' -- He 'Doesn't Care About Losing Weight' After 30 years together, Oprah and Stedman are still keeping the romance alive.
Last week, the Queen of Talk shared with ET a sexy tip that she'll be sharing with her guy.
Stedman Graham is currently engaged to Oprah Winfrey.
Oprah Winfrey is a highly respected businesswoman and television host, who became one of the most successful syndicated talk show hosts in history.
Winfrey and Graham have been together since 1986, but largely keep their relationship out of the spotlight.
The couple were engaged in 1992 but never wed, and Winfrey later told Access Hollywood she doesn't believe she'll ever marry.
"I thought about it again at Tina Turner's wedding," she said in 2013.
"Because Tina was like, 'Oprah, you need to do this.
For more than two decades, she hosted her successful and popular TV talk show, perhaps the first black woman to be so successful as a talk host.
She was able to introduce her viewers to new books, new fashions, and new fads.
Wendy had not had a lasting relationship until recently, family insiders say. Wendy has also worked for Oprah's company, Harpo Productions.