The TV personality revealed surprising details about Jackie Kennedy’s health, including how her cancer battle coincided with ...

Lee Radziwill, the younger sister of Jacqueline Kennedy Onassis who was witness to history in the "Camelot" White House, married a prince and counted Andy Warhol, Truman Capote and Rudolf Nureyev ...

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 ...

Lee Radziwill, the free-spirited former princess who shared the qualities of wealth, social status and ambition with her older sister, Jacqueline Kennedy Onassis, but who struggled as an actor ...

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 ...