Jamie Lee Curtis’s older sister was Kelly Lee Curtis, an actress and filmmaker who died on May 30, 2026, at the age of 69. Born to Hollywood legends Tony Curtis and Janet Leigh, she built a career in film and television, appearing in projects such as Trading Places and Star Trek: Deep Space Nine.

Before pursuing acting, Kelly briefly worked as a stockbroker. She later studied at the Lee Strasberg Theatre & Film Institute and became a member of The Actors Studio, where she further developed her skills as a performer.

Throughout her career, she appeared alongside her sister Jamie Lee Curtis in the 1983 comedy Trading Places and also starred in films such as The Devil’s Daughter and television series including The Sentinel. Her work earned her recognition from audiences across both film and television.

Kelly died of natural causes at her home in Bellevue, Idaho. Following her passing, Jamie Lee Curtis remembered her as her “first friend and lifelong confidant,” highlighting the close bond they shared throughout their lives.