Former US first lady Michelle Obama attends a roundtable discussion at Whitney M. Young Magnet High School in Chicago, November 12, 2018. – Former US first lady Michelle Obama’s book, “Becoming,” hits stores on Tuesday. (Photo by JIM YOUNG/AFP/Getty Images)

Former US first lady Michelle Obama attends a roundtable discussion at Whitney M. Young Magnet High School in Chicago, November 12, 2018. – Former US first lady Michelle Obama’s book, “Becoming,” hits stores on Tuesday. Obama, 54, will head out on a multi-city arena tour to promote the memoir, with celebrity friends like Oprah Winfrey and Reese Witherspoon tapped to moderate the events. (Photo by JIM YOUNG / AFP) (Photo credit should read JIM YOUNG/AFP/Getty Images)