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Oprah Winfrey surprised the audience at the Democratic National Convention to speak and endorse Kamala Harris for president. (Scripps News)

INTERVIEW: Oprah Winfrey on having the new network up and running, what its like seeing her initials all over town, what she'd like to conquer next at the OWN: Oprah Winfrey Network Launch Cocktail Reception For The Television Critics...

Oprah Winfrey exits CBS This Morning and signs for fans 04/02/12 Oprah Winfrey exits CBS This Morning and signs for on April 02, 2012 in New York, New York (Footage by WireImage Video/Getty Images)

Celebrity Profile: Oprah Winfrey (Footage by Getty Images)

INTERVIEW: Suze Orman on why Oprah deserves her own network, what it means to her to be a part of Oprah's new network, what we can expect from her new show at the OWN: Oprah Winfrey Network Launch Cocktail Reception For The Television...

INTERVIEW: Carson Kressley & Nancy O'Dell on what it means to them to be a part of Oprah's new network, what we can expect from their show, if they can relate with their show's contestants at the OWN: Oprah Winfrey Network Launch...

INTERVIEW: Cristina Ferrare on what it means to her to be a part of Oprah's new network, what we can expect from her new show at the OWN: Oprah Winfrey Network Launch Cocktail Reception For The Television Critics Association Winter Press...

Oprah Winfrey at the OWN: Oprah Winfrey Network Launch Cocktail Reception For The Television Critics Association Winter Press Tour at Pasadena CA. (Footage by WireImage Video/GettyImages)

SPEECH: Oprah introduces Ralph Lauren at the Lincoln Center Presents: An Evening With Ralph Lauren Hosted By Oprah Winfrey at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

Oprah Winfrey at the OWN: Oprah Winfrey Network Launch Cocktail Reception For The Television Critics Association Winter Press Tour at Pasadena CA. (Footage by WireImage Video/GettyImages)

INTERVIEW: Piers Morgan on Ralph Lauren being the 'Oprah' of fashion at the Lincoln Center Presents: An Evening With Ralph Lauren Hosted By Oprah Winfrey at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

Oprah Winfrey signs for fans at CBS This Morning 04/02/12 Oprah Winfrey signs for fans at CBS This Morning 0 on April 02, 2012 in New York, New York (Footage by WireImage Video/Getty Images)

INTERVIEW: Jeff Probst on his favorite talk show growing up, on Oprah Winfrey, and his vision for his talk show INTERVIEW: Jeff Probst on his favorite talk show g on November 07, 2012 in Hollywood, California (Footage by WireImage...

Oprah Winfrey arrives to The Butler Premiere in New York, 08/05/13 Oprah Winfrey arrives to The Butler Premiere in on August 05, 2013 in New York, New York (Footage by WireImage Video/Getty Images)

INTERVIEW: Oprah Winfrey on what it means to be honored, what it takes to be a powerful woman in the entertainment business. at the Hollywood Reporter's Annual Women in Entertainment Breakfast at Los Angeles CA. (Footage by WireImage...

INTERVIEW: Gayle King talking about being honored with all of these exceptional women, having Oprah present to her, having people to count on and her friendship with Oprah. at the 2009 Matrix Awards at New York NY. (Footage by WireImage...

Brazilian Girls on indie rock, India, international music, world music, Oprah, record labels, major labels and alternative. Produced by Uncensored Interview / ZenCat Productions. Brazilian Girls Interview (clip 2) on July 24, 2008 in...

INTERVIEW: Mike Tyson on what viewers can expect from his new TV show, what people will be surprised to learn about him through the show, why Oprah Winfrey deserves her own network at the OWN: Oprah Winfrey Network Launch Cocktail...

INTERVIEW: Dr. Laura Berman on what we can expect from her new show, what it means to her to be a part of Oprah's new network, the craziest thing someone has asked her on the show at the OWN: Oprah Winfrey Network Launch Cocktail...

INTERVIEW: Andy Cohen on being obsessed with both Ralph Lauren and Oprah at the Lincoln Center Presents: An Evening With Ralph Lauren Hosted By Oprah Winfrey at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

INTERVIEW: Nate Berkus on the opportunity to learn from both Oprah and Ralph Lauren at the Lincoln Center Presents: An Evening With Ralph Lauren Hosted By Oprah Winfrey at New York NY. (Footage by WireImage Video/Getty Images...

SPEECH: Ralph Lauren describes how he got Oprah to do this event with him at the Lincoln Center Presents: An Evening With Ralph Lauren Hosted By Oprah Winfrey at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

SPEECH: Ralph Lauren and Oprah love what they do at the Lincoln Center Presents: An Evening With Ralph Lauren Hosted By Oprah Winfrey at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)