In 1968, Jackie wed the Greek billionaire Aristotle Onassis, whom Lee herself had once thought of marrying, only to have her sister urge her not to. Friends would say Radziwill felt betrayed and ...

Jacqueline Kennedy Onassis was born on July 28, 1929, and died on May 19, 1994. These photos capture her teen years, Camelot ...

Carole Radziwill opened up about her “last summer” with close friends John F. Kennedy Jr. and Carolyn Bessette-Kennedy in the ...

Nothing quite says "sibling rivalry" like sleeping with your presidential brother-in-law — just ask Jackie Kennedy and her sister-slash-enemy, Princess Lee Radziwill.

Lee Radziwill may have been best known as Jackie Kennedy’s younger sister. Throughout the 1960s, however, she was also part of one of Truman Capote’s so-called “ swans ”—a cohort of ...

In April 2009, ELLE Decor had the privilege of stopping by Radziwill’s effortlessly-appointed New York and Paris apartments. Step inside, below.