Jacqueline Kennedy Onassis and her friend Maurice Tempelsman walking under an umbrella on their way to a Kennedy Library fundraiser. (Photo by Brian Quigley//Time Life Pictures/Getty Images)
NEW YORK, UNITED STATES - JUNE 12: Jaqueline Kennedy Onassis attending performance of Kafka's "Metamorphosis". (Photo by David McGough/DMI/Time & Life Pictures/Getty Images)
Jacqueline Kennedy Onassis (L) and former brother-in-law Edward M. Kennedy, attending Caroline Kennedy's wedding to Edwin Scholossberg. (Photo by Steve Liss/Time Life Pictures/Getty Images)
circa 1975: Jacqueline Onassis (1929 - 1994), wife of the Greek ship-owner Aristotle Onassis, leaving a restaurant in Athens. (Photo by Nicholas Tsikourias/Keystone/Getty Images)
Jacqueline Kennedy Onassis (1929 - 1994), former US first lady and the wife of Greek shipping magnate Aristotle Onassis, and her son, John F. Kennedy Jr., go for a bike ride in Central Park, New York, New York, November 8, 1970. (Photo by Larry Zumwalt/Pictorial Parade/Getty Images)
Jacqueline Kennedy Onassis (center) smiles as she listens through an earpiece at the United Nations Building, New York, New York, 1972. (Photo by Bernard Gotfryd/Getty Images)
1st October 1970: Princess Lee Radziwill in London with her sister Jacqueline Kennedy-Onassis (1929 - 1994). (Photo by William Lovelace/Express/Getty Images)
1975: Jackie Onassis and children Caroline and John F. Kennedy, Jr. on their way to a Broadway opening. (Photo by Robin Platzer/Twin Images/Time Life Pictures/Getty Images)
Jackie Onassis (1929 - 1994), widow of American President John F Kennedy and wife of Greek born Argentinian ship owner Aristotle Onassis, leaving Claridges Hotel in London. She is wearing a safari-style jacket over flared hipster trousers and a polo neck jersey. (Photo by Ted West/Getty Images)