FILE - In this Dec. 13, 1961, file photo Caroline Kennedy wonders at the Christmas tree in the White House Blue Room before a party for White House employees given by her parents. First lady Jacqueline Kennedy began the tradition of ...

From left, William Kennedy Smith, Caroline Kennedy, Victoria Reggie Kennedy, Ambassador Jean Kennedy Smith and Edwin Schlossberg pose on the red carpet at the State Department during the Kennedy Center Honors Gala Dinner on Saturday, Dec. 5, 2009 in Washington ...

Caroline Kennedy makes remarks during a conference titled, The Presidency in the Nuclear Age, at the John F. Kennedy Presidential Library and Museum, Monday, Oct. 12, 2009 in Boston. (AP Photo/Lisa Poole)

NEW YORK - OCTOBER 01: Julianne Moore and Caroline Kennedy attend the 2009 Shop for Public Schools kick off at PS 142 on October 1, 2009 in New York City. (Photo by Gabriela Maj/Getty Images)