|True Women (1997) [Georgia Virginia Lawshe Woods]: Dies of tuberculosis, with her family and friends gathered by her bedside. (Thanks to Rachel)
Gia (1998) [Gia Marie Carangi]: Dies of AIDS-related illness (off-screen) in a hospital. Her body is shown lying in the hospital bed afterwards, followed later on some extreme close-ups of parts of her face as a mortician/make-up artist prepares her for her funeral.
Beyond Borders (2003) [Sarah Jordan]: Killed in an explosion when she steps on a land mine while fleeing from Chechnyan extremists. (Thanks to Sadie and Gary)
Alexander (2004) [Olympias]: Assassinated (off-screen), seven years after the death of her son (Colin Farrell); her death is reported in Anthony Hopkins' narration at the end of the movie. (Thanks to Gary and JF)
Wanted (2008) [Fox]: Commits suicide/sacrifices herself by firing a bullet in a curved arc, so that it kills the other assassins before it comes back around and hits her in the head. (Thanks to Steve, Abe, Manda, and Andrew)