Most Helpful Girl
We don't know/aren't told if she actually dies, but at the very least, she passes out/goes into shock from her self-inflicted knife wound. Although, the description of "eyes glaze over" does seem to indicate that the screen writer intended her to die.
Most Helpful Guy
I think she does - It is a while since I have seen movie but I seem to recall thinking she did here is a link to fans talking about it