Oprah Winfrey

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FILE-This Sept. 15, 2011, file photo shows Rosie O'Donnell, right, and Oprah Winfrey speaking to the media after the unveiling of a new sign outside Harpo Studios welcoming "The Rosie Show," to the studio in Chicago. Winfrey is selling Harpo Studios in Chicago to a developer, but the studio will remain on the property for another two years. Harpo Inc. said in a statement that it has entered into a purchasing agreement with Sterling Bay Cos. for the four-building campus on Chicago's West Side. (AP Photo/M. Spencer Green, File)

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FILE-This Sept. 15, 2011, file photo shows Rosie O'Donnell, right, with Oprah Winfrey looking on, speaking to the media after the unveiling of a new sign outside Harpo Studios welcoming "The Rosie Show," to the studio in Chicago. Winfrey is selling Harpo Studios in Chicago to a developer, but the studio will remain on the property for another two years. Harpo Inc. said in a statement that it has entered into a purchasing agreement with Sterling Bay Cos. for the four-building campus on Chicago's West Side. (AP Photo/M. Spencer Green, File)

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FILE-This May 11, 2011, file photo shows Chicago Mayor Richard M. Daley presenting TV talk-show host Oprah Winfrey with a sign after a street was named in her honor outside her Harpo Studios in Chicago. Winfrey is selling Harpo Studios in Chicago to a developer, but the studio will remain on the property for another two years. Harpo Inc. said in a statement that it has entered into a purchasing agreement with Sterling Bay Cos. for the four-building campus on Chicago's West Side. (AP Photo/M. Spencer Green, File)

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File-This May 11, 2011, file photo shows talk-show host Oprah Winfrey reacting after a street outside her Harpo Studios in Chicago was proclaimed "Oprah Winfrey Way" during a ceremony with Chicago Mayor Richard M. Daley, left, and Bobby Ware, commissioner of the Chicago Department of Transportation. Winfrey is selling Harpo Studios in Chicago to a developer, but the studio will remain on the property for another two years. Harpo Inc. said in a statement that it has entered into a purchasing agreement with Sterling Bay Cos. for the four-building campus on Chicago's West Side. (AP Photo/M. Spencer Green,File)

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Oprah Winfrey speaks on stage at the 45th NAACP Image Awards at the Pasadena Civic Auditorium on Saturday, Feb. 22, 2014, in Pasadena, Calif. (Photo by Chris Pizzello/Invision/AP)

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Oprah Winfrey is seen in the audience at the 45th NAACP Image Awards at the Pasadena Civic Auditorium on Saturday, Feb. 22, 2014, in Pasadena, Calif. (Photo by Chris Pizzello/Invision/AP)

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FILE - This film image released by The Weinstein Company shows Oprah Winfrey as Gloria Gaines, left, and Forest Whitaker as Cecil Gaines in a scene from "Lee Daniels' The Butler." Oprah Winfrey is paying tribute to the late Nelson Mandela at the NAACP Image Awards on Saturday, Feb. 22, 2014. "12 Years a Slave," "Lee Daniels' The Butler," "Fruitvale Station," ''Mandela: Long Walk to Freedom" and "The Best Man Holiday" are vying for the outstanding motion picture trophy. (AP Photo/The Weinstein Company, Anne Marie Fox, file)

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FILE - In this Aug. 12, 2013 file photo, Oprah Winfrey arrives at the Los Angeles premiere of "Lee Daniels' The Butler" at the Regal Cinemas L.A. Live Stadium 14, in Los Angeles. Winfrey is paying tribute to the late Nelson Mandela at the NAACP Image Awards on Saturday, Feb. 22, 2014. "12 Years a Slave," "Lee Daniels' The Butler," "Fruitvale Station," ''Mandela: Long Walk to Freedom" and "The Best Man Holiday" are vying for the outstanding motion picture trophy. (Photo by Matt Sayles/Invision/AP, file)