Not only have the gowns changed over the years, but so have the accessories, hairdos and makeup. Oscar winner Grace Kelly poses with her statuette at the 1954 Academy Awards at the RKO Pantages Theatre in Hollywood, Calif., on March 30, 1955. Kelly won best actress of the year for her role in "The Country Girl."
Note her elbow-length white gloves. Once de riguer, they're rarely seen on red carpets these days.
Earl Mountbatten of Burma presents Elizabeth Taylor with the Oscar she won for her performance in "Who's Afraid of Virginia Woolf?" at the 20th Annual British Film Academy Awards ceremony in London on April 24, 1967. Taylor was in Europe during the 39th Annual Academy Awards presentations held in Santa Monica, Calif., in March.
Michael Douglas, accompanied by actress Marlee Matlin, poses with his Oscar for best actor for the film "Wall Street" at the 60th Annual Academy Awards, on April 11, 1988, in Hollywood, Calif. Matlin won the best actress Oscar the previous year.
Actress Susan Sarandon arrives with partner Tim Robbins for the 68th Academy Awards on March 25, 1995, at the Dorothy Chandler Pavilion. She won the best actress award for her role in "Dead Man Walking."
Actress Anna Paquin of New Zealand poses with the 1993 Oscar she received for best supporting actress during the 66th annual Academy Awards March 21, 1994, in Los Angeles. Paquin, 11, won for her performance in the movie "The Piano."
Director Steven Spielberg poses with his wife, actress Kate Capshaw, right, and his mother, Leah Adler, during the 66th Annual Academy Awards ceremony after winning the best director Oscar for "Schindler's List."
Billy Bob Thornton receives a kiss from his wife, Pietra, after being awarded an Oscar for the Best Adapted Screenplay for "Sling Blade" during the 69th Academy Awards ceremony at the Shrine Auditorium in Los Angeles on March 24, 1997.
Julianne Moore arrives at the 75th Academy Awards in Hollywood, Calif., March 23, 2003. Moore was nominated for best actress for her performance in "Far from Heaven," and for best supporting actress for her work in "The Hours."
A very pregnant Natalie Portman, in Rodarte, arrives for the 83rd Annual Academy Awards on Feb. 27, 2011, in Los Angeles. The Best Actress Oscar winner showed off a host of maternity gowns during the 2010-11 awards season. She gave birth to her first child, a son named Aleph, in the spring.