Below, Jackie Kennedy's style evolution in photos ... Jackie is by this point quite pregnant with John Jr. Her "casual" style ...

Kennedy Jr. has become an accidental poster boy for tennis and sportswear. In Luca Guadagnino's latest film "Challengers," ...

Jackie Kennedy's signature pillbox hat and matching pink suit, a replica of a Chanel style, became a symbol of mourning after the assassination of her husband, President John F. Kennedy in 1963.