[New York; March 9, 1999. Image via Getty]

NEW YORK - MARCH 9: (FILE PHOTO) Carolyn Bessette Kennedy poses for a picture at the Annual Fundraising Gala at the Whitney Museum of American Art March 9, 1999 in New York City. Four years ago on July 16, 1999, John F. Kennedy Jr., his wife Bessette Kennedy and her sister, Lauren Bessette, died in a plane crash off the coast of Martha's Vineyard. (Photo by Evan Agostini/Getty Images)