|Faye Dunaway (1941 - )
Ex-Mrs. Peter Wolf (lead singer of J. Geils Band)
|Bonnie and Clyde (1967) [Bonnie Parker]: Machine-gunned (along with Warren Beatty) when the police ambush their car on the road.
Chinatown (1974) [Evelyn Cross Mulwray]: Shot in the back of the head by police while attempting to drive away.
The Four Musketeers (1974) [Milady de Winter]: Decapitated by an executioner on a dock in the middle of a lake. Seen from an extremely far distance.
The First Deadly Sin (1980) [Barbara Delaney]: Dies of a terminal illness in the hospital with Frank Sinatra at her bedside.
Evita Peron (1981) [Evita Peron]: Presumably dies of cancer. (I haven't seen this movie, so I don't know whether it ended before or after her death.)
Mommie Dearest (1981) [Joan Crawford]: Dies (off-screen) of cancer; her body is shown afterwards in the funeral parlor.
The Wicked Lady (1983) [Lady Barbara Skelton]: Shot while robbing a coach; she dies after making her way back home. (The UK version reportedly had a different ending, in which she survived her wound but the closing on-screen text reported that she was executed by hanging.) (Thanks to Foster)
Ordeal by Innocence (1984) [Rachel Argyle]: Beaten to death with a fireplace poker by Annette Crosbie. Brief moments of the murder are shown in black & white flashbacks throughout the movie.
Christopher Columbus (1985) [Queen Isabella]: Dies (off-screen) of natural causes; we are informed of her death afterwards. (Thanks to Johan)
Thirteen at Dinner (1985) [Jane Wilkinson/Carlotta Adams]: Playing a dual role, "Carlotta" is poisoned when "Jane" drugs her champagne; her body is shown afterwards when she's discovered lying in bed the next morning. (The "Jane" character survives the film.) (Thanks to Johan)
The Temp (1993) [Charlene Towne]: Falls to her death, while Timothy Hutton unsuccessfully tries to pull her up, after Lara Flynn Boyle lures her into a factory. (Thanks to Christopher)
Gia (1998) [Wilhelmina Cooper]: Dies of lung cancer (off-screen). Her body is shown (from a distance) lying in her coffin as Angelina Jolie leaves the funeral.
Alias: The Getaway (2003) [Ariana Kline]: Presumably killed while being tortured or afterwards, after being framed as a mole; we last see her being tied to the chair in the interrogation room. (Thanks to PortsGuy)
Blind Horizon (2004) [Mrs. K]: Shot to death. (Thanks to HH)
CSI: Kiss Kiss, Bye Bye (2006) [Lois O'Neill]: Shot to death (at her own request) by her driver while she's lying in bed, after she's been diagnosed with cancer. (Thanks to PortsGuy)