Check out every gown worn by a Best Actress winner at the Oscars since the awards began in 1929 in the gallery below, and see more highlights in the video above.
PHOTOS: Best Actress Oscar dresses worn through the years
Note: Katharine Hepburn, who won Best Actress in 1934, 1968, 1969 (in a tie) and 1982, never appeared at the Oscars to accept an award (she only ever made one appearance during the ceremony). Other actresses who were unable to attend: Joan Crawford (1945), Judy Holliday (1951), Vivien Leigh (1952), Anna Magnani (1956), Ingrid Bergman (1957), Sophia Loren (1962), Patricia Neal (1964) Elizabeth Taylor (1967), Maggie Smith (1970), Glenda Jackson (1971 and 1974) and Ellen Burstyn (1975).
Mark your calendar: April 25 is Oscar Sunday. Live coverage begins Sunday morning and continues all day with special "On The Red Carpet" coverage leading up to the 93rd Academy Awards ceremony. After the last award is handed out, stay with "On The Red Carpet" for continuing coverage. Be sure to follow @OnTheRedCarpet on Facebook, Twitter, Instagram and TikTok for all your Oscar news and information.