In this photo provided by CBS, host David Letterman makes a selfie with Oprah Winfrey during Oprahs final appearance on the Late Show with David Letterman, Friday May 15, 2015 in New York. Photo by Associated Press
In this photo provided by CBS, host David Letterman makes a selfie with Oprah Winfrey during Oprahs final appearance on the Late Show with David Letterman, Friday May 15, 2015 in New York. (Jeffrey R. Staab/CBS via AP) MANDATORY CREDIT, NO SALES, NO ARCHIVE, FOR NORTH AMERICAN USE ONLY