All About Eve (1950)
Anne Baxter and Bette Davis lost to Judy Holliday in Born Yesterday. The studio had originally
planned to place Baxter in the Supporting Actress race (which she had won for The Razor's Edge
in 1946) but she insisted on the Best Actress category. Davis later complained that this
politicking cost her the Oscar.

Suddenly, Last Summer (1959)
Elizabeth Taylor and Katharine Hepburn lost to Simone Signoret in Room at the Top.
When Hepburn had finished shooting the film, she spat in director Joseph L. Mankiewicz' face.

The Turning Point (1977)
Anne Bancroft and Shirley MacLaine were part of their film's 11 nomination shutout when
they both lost to Diane Keaton in Annie Hall.

Terms of Endearment (1983)
Debra Winger and Shirley MacLaine (pictured) were both nominated for Best Actress, with MacLaine winning the award. When she accepted it, she finished her speech by exclaiming "I deserve this."

Thelma & Louise (1991)
Geena Davis and Susan Sarandon lost to Jodie Foster in Silence of the Lambs.