Photos of media mogul and former TV talk show host Oprah Winfrey through the years.

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Oprah Winfrey speaks at the 45th NAACP Image Awards in Pasadena, Calif on Feb. 22, 2014.

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Oprah Winfrey attends the "Lee Daniels' The Butler" Los Angeles premiere, hosted by TWC, Budweiser and FIJI Water, Purity Vodka and Stack Wines, held at the Ritz-Carlton in Los Angeles. (Aug. 12, 2013)

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James Marsden and Oprah Winfrey attend the after party for "Lee Daniels' The Butler" Los Angeles premiere, hosted by TWC, Budweiser and FIJI Water, Purity Vodka and Stack Wines, held at the Ritz-Carlton in Los Angeles. (Aug. 12, 2013)

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Oprah Winfrey speaks during Harvard University's commencement ceremonies in Cambridge, Mass. (May 30, 2013)

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Oprah Winfrey looks on as she answers journalist's questions at her South African girls' academy in Henley on Klip. (Jan. 13, 2012)

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David Letterman, Oprah Winfrey and Jay Leno appeared together in a special surprise LATE SHOW with DAVID LETTERMAN promo, broadcast during CBS Sports? coverage of Super Bowl XLIV, Sunday, Feb. 7, 2010.

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In this image taken from video Friday, Nov. 20, 2009 and provided by Harpo Productions Inc., talk-show host Oprah Winfrey announces during a live broadcast of "The Oprah Winfrey Show" in Chicago that her daytime television show, the foundation of a multibillion-dollar media empire, will end its run in 2011 after 25 seasons on the air. (AP Photo/Harpo Productions, Inc.) MANDATORY CREDIT, NO SALES

Credit: AP Photo/Bob Davis

FILE - In this Sept. 9, 2004 file photo, talk show host Oprah Winfrey sits atop a Pontiac G6 outside her Chicago studios, surrounded by some of the 276 people from her audience who each received one of the new cars at the start of the show to celebrate the premier of her 19th season. Winfrey was set to announce Friday, Nov. 20, 2009 that her powerhouse daytime television show, will end its run in 2011 after 25 seasons on the air. (AP Photo/Harpo Productions, Bob Davis, File)

Credit: AP Photo/Mary Ann Chastain

FILE - In this Sunday, Dec. 9, 2008 file photo, Democratic presidential hopeful, Sen. Barack Obama,D-Ill., with his wife Michelle, left, and Oprah Winfrey, right, take part in a campaign rally at Williams Brice Stadium in Columbia, S.C. Winfrey was set to announce Friday, Nov. 20, 2009 that her powerhouse daytime television show, will end its run in 2011 after 25 seasons on the air. (AP Photo/Mary Ann Chastain, File)

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FILE - In this Dec. 18, 1985 file photo, television talk show host Oprah Winfrey puts her feet up as she relaxes in her studio office following a morning broadcast in Chicago, Ill. Winfrey was set to announce Friday, Nov. 20, 2009 that her powerhouse daytime television show, will end its run in 2011 after 25 seasons on the air. (AP Photo/Charlie Knoblock, File)

Credit: AP Photo/Mike Ansell

FILE - In this March 14, 1997 file photo provided by Touchstone Television, Ellen DeGeneres, left, playing character Ellen Morgan, discusses her fears about coming out as a lesbian with her therapist, played by Oprah Winfrey, during a taping of the sitcom "Ellen," in Burbank, Calif. Winfrey was set to announce Friday, Nov. 20, 2009 that her powerhouse daytime television show, will end its run in 2011 after 25 seasons on the air. (AP Photo/Touchstone Television, Mike Ansell)

Credit: AP Photo/Charles Bennett

FILE - In this Nov. 15, 1988 file photo,m talk-show host Oprah Winfrey shows off her new figure in Chicago after she lost 67 pounds following a liquid diet and exercise. On Friday, Nov. 20, 2009, Winfrey announced during a live broadcast of "The Oprah Winfrey Show, in Chicago that her powerhouse daytime television show, the foundation of a multibillion-dollar media empire with legions of fans, will end its run in 2011 after 25 seasons on the air. (AP Photo/Charles Bennett, File)

Credit: AP Photo/M. Spencer Green

FILE - In this Sept. 3., 2008 file photo, Oprah Winfrey, center, hugs Olympic gold medalist Nastia Liukin, as some of the 150 Olympians invited look on for the taping of the season premiere of "The Oprah Winfrey Show" in Chicago's Millennium Park. Winfrey's announcement Friday, Nov. 20, 2009, that she was taking her show off the air in December 2011 after 25 years is a blow to the "Second City" where she has remained the city's ambassador and kept the spotlight shining on it. (AP Photo/M. Spencer Green)

Credit: AP Photo/Charles Rex Arbogast

FILE - In this May 3, 2-007 file photo, Felicia P. Fields, left, who portrays Sofia in the Broadway musical "The Color Purple," right, applauds Oprah Winfrey, who also played Sofia on the silver screen, during the curtain call after the Chicago premiere. Watching in the middle is Stu James who played Harpo. Winfrey announced Friday, Nov. 20, 2009 that she would end her show in 2011 after a 25 years on the air. It is a blow to the "Second City" where she has remained the city's ambassador and kept the spotlight shining on it. (AP Photo/Charles Rex Arbogast)

Credit: AP Photo/George Burns

In this photo taken Nov. 20, 2009 and released by Harpo Productions, Inc., talk-show host Oprah Winfrey, right, talks with Vicky Kennedy, wife of the late Sen. Edward Kennedy, in her first television interview since her husband's passing during taping of "The Oprah Winfrey Show." The episode will air on Wednesday, Nov. 25. (AP Photo/Harpo Productions Inc., George Burns) **MANDATORY CREDIT, NO SALES**

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This magazine cover released by Hearst Magazines shows the December 2009 issue of of O The Oprah Magazine. (AP Photo/Hearst Magazines)**NO SALES**

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Talk-show host Oprah Winfrey announces during a live broadcast of "The Oprah Winfrey Show" in Chicago that her daytime television show, the foundation of a multibillion-dollar media empire with legions of fans, will end its run in 2011 after 25 seasons on the air. (Nov. 20, 2009)

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OPRAH WINFREY
In 1983, Oprah Winfrey took over AM Chicago, which was then renamed the "Oprah Winfrey Show." She became the first African-American female talk show host.

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In this Nov. 1, 2009 file photo, Oprah Winfrey arrives at the premiere of the film "Precious: Based on the Novel 'Push' by Sapphire," at AFI Fest 2009 in Los Angeles. "The Oprah Winfrey Show," an iconic broadcast that grew over two decades into a daytime television powerhouse and the foundation of a multibillion-dollar media empire, will end its run in 2011 after 25 seasons on the air, Winfrey's production company said Thursday night, Nov. 19, 2009.

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In this Sept. 8, 2009 file photo, Oprah Winfrey, right, hosts Black Eyed Peas in Chicago while taping an episode of "The Oprah Winfrey Show" on a three-block stretch of Chicago's Michigan Avenue near the Chicago River.

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U.S. talk show host Oprah Winfrey, left, and U.S. actor Tom Cruise, right, officiate at the Nobel Peace Prize Concert in Oslo, Saturday Dec. 11, 2004. They introduced the numerous artists paying homage to this year's Nobel Peace Prize laureate Kenyan environmentalist Wangari Maathai.

Credit: AP Photo/Mary Ann Chastain

FILE - In this Sunday, Dec. 9, 2008 file photo, Democratic presidential hopeful, Sen. Barack Obama,D-Ill., with his wife Michelle, left, and Oprah Winfrey, right, take part in a campaign rally at Williams Brice Stadium in Columbia, S.C. Winfrey was set to announce Friday, Nov. 20, 2009 that her powerhouse daytime television show, will end its run in 2011 after 25 seasons on the air. (AP Photo/Mary Ann Chastain, File)

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This December 9, 2007 file photo shows US television host Oprah Winfrey delivering remarks on behalf of then Illinois Senator and Democratic presidential hopeful Barack Obama inside the University of South Carolina's Williams-Brice Stadium in Columbia, North Carolina. Oprah Winfrey will host her final talk show in 2011, her production company said November 19, 2009, announcing the end of a 25-year run that has made her one of the most influential stars in America.

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In this Sept. 9, 2004 file photo, talk show host Oprah Winfrey sits atop a Pontiac G6 outside her Chicago studios, surrounded by some of the 276 people from her audience who each received one of the new cars at the start of the show to celebrate the premier of her 19th season.

Credit: AP Photo/Charles Bennett

FILE - In this May 22, 1990 file photo, Comedian Bob Hope laughs with television talk show host Oprah Winfrey during the taping of the Oprah Winfrey Show in Chicago. (AP Photo/Charles Bennett, File)

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Talk show host Oprah Winfrey shows her joy after a jury ruled in her favor in Amarillo, Texas, Thursday, Feb. 26, 1998. Winfrey had been sued by Texas cattlmen for allegedly defaming the beef industry in one of her shows. The cattlemen were suing Ms. Winfrey, her production company and vegetarian activist Howard Lyman, saying the April 16, 1996, episode caused the cattle market to plunge to 10-year lows and cost the plaintiffs $11 million. Mad cow disease has never been detected in this country.

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In this March 14, 1997 file photo provided by Touchstone Television, Ellen DeGeneres, left, playing character Ellen Morgan, discusses her fears about coming out as a lesbian with her therapist, played by Oprah Winfrey, during a taping of the sitcom "Ellen," in Burbank, Calif. (AP Photo/Touchstone Television, Mike Ansell)

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FILE- This 1993 file photo provided by Harpo Productions shows Oprah Winfrey interviewing Michael Jackson during her television show. Winfrey was set to announce Friday, Nov. 20, 2009 that her powerhouse daytime television show, will end its run in 2011 after 25 seasons on the air. (AP Photo)

Credit: AP Photo/Charles Bennet

FILE - In this Tuesday, Nov. 16, 1988 file photo, television talk show host Oprah Winfrey shows off her new figure as she stands in front of 68 pounds of fat inside a toy wagon, in Chicago, Ill. Winfrey was set to announce Friday, Nov. 20, 2009 that her powerhouse daytime television show, will end its run in 2011 after 25 seasons on the air. (AP Photo/Charles Bennet, file)

Credit: AP Photo/CHARLIE KNOBLOCK

FILE - In this Dec. 18, 1985 file photo, television talk show host Oprah Winfrey puts her feet up as she relaxes in her studio office following a morning broadcast in Chicago, Ill. Winfrey was set to announce Friday, Nov. 20, 2009 that her powerhouse daytime television show, will end its run in 2011 after 25 seasons on the air. (AP Photo/Charlie Knoblock, File)

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Oprah Winfrey sign and give out copies of Oprah magazine in Water Tower Park in Chicago. The first 1,000 fans where given a free magazine. (Nov. 6, 2009)

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"After 82 years, it's the first film nominated for best picture directed by an African American. Isn't that great? It's so exciting. How can you lose? You can't lose!" ? Lee Daniels, best director Oscar nominee for Precious: Based on the Novel 'Push' by Sapphire."

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Executive producer Oprah Winfrey and singer Mary J. Blige talk at the after-party for AFI Fest and Lionsgate's "Precious: Based on the novel 'Push' by Sapphire" at the Chateau Marmont in West Hollywood, Calif., on Nov. 1, 2009.

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Oprah Winfrey, left, and Tyler Perry, executive producers of "Precious: Based on the Novel 'Push' by Sapphire," at the premiere of the film at AFI Fest 2009 in Los Angeles. (Nov. 1, 2009)

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In this undated photo provided by Hearst Magazines, talk-show host Oprah Winfrey, left, is seen with Ellen DeGeneres on the cover of the Decemeber 2009 subscriber edition of "O, The Oprah Magazine." DeGeneres will also appear Monday, Nov. 9, 2009 on "TheOprah Winfrey will also appear Monday, Nov. 9, 2009 on "The Oprah Winfrey Show."

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Charla Nash, left, with Oprah Winfrey being interviewed on the "Oprah Winfrey Show." Nash, who was mauled by a 200 lb. chimpanzee owned by a friend, revealed her damaged face. She also lost almost all of her two hands in the attack. (Nov. 11,2 009)

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Oprah Winfrey arrives at the screening of "Precious: Based On The Novel 'PUSH' By Sapphire" during AFI FEST 2009 held at Grauman's Chinese Theatre in Hollywood, Calif. (Nov. 1, 2009)

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Oprah Winfrey interviewed family members of Taconic Parkway crash victims on Tuesday. (Dec. 1, 2005)

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Oprah Winfrey, Mariah Carey and Mary J. Blige at the "Precious: Based On The Novel 'Push' By Sapphire" news conference at the Four Seasons Hotel in Toronto on Sept. 13, 2009.

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In this photo provided by CBS, Oprah Winfrey appears with David Letterman during a taping of on "The Late Show with David Letterman", Thursday, Dec. 1, 2005, in New York. Following the interview, Dave escorted Oprah across 53rd street to the opening of her new Broadway Show "The Color Purple". (AP Photo/Jeffrey R. Staab/CBS) **NO SALES; MANADTORY CREDIT**

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Oprah Winfrey, left, talks with actors Daniel Craig and Hugh Jackman in Central Park for a taping of "Oprah. " (September 18, 2009)

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Mariah Carey and Oprah Winfrey appear on The Oprah Winfrey Show: Fridays Live From New York at Rumsey Playfield. (September 18, 2009)

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TV personality Oprah Winfrey makes an appearance in Central Park for a taping of "Oprah" in New York. (September 18, 2009)

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TV personality Oprah Winfrey, left, talks with actors Daniel Craig and Hugh Jackman, right, in Central Park for a taping of "Oprah", in New York, on Friday, Sept. 18, 2009. (AP Photo/Peter Kramer)

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Oprah Winfrey poses with Whitney Houston at the Town Hall in New York. Houston, who's new album "I Look To You" was released on Aug. 31, is interviewed by Winfrey for a two-part season premiere of The Oprah Winfrey Show, airing Sept. 14 and 15.

Credit: AP Photo/George Burns

In this Aug. 31, 2009 photo provided Monday, Sept. 7, 2009 by Harpo Productions, television talk-show host Oprah Winfrey, right, and Whitney Houston are seen during an interview at the Town Hall in New York. Houston, who's new album "I Look To You" was released on Aug. 31, was interviewed by Winfrey for a two-part season premiere of The Oprah Winfrey Show, airing Sept. 14 and 15. (AP Photo/Harpo Productions, George Burns) NO SALES

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Jennifer Aniston on the "Oprah Winfrey Show" season opener. (Sept. 15, 2005)

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Talk show host Oprah Winfrey receives a kiss from Grammy Award winner, producer Quincy Jones at a celebration of Jones' 50th year of performing and being involved in music at Roseland in New York.

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