Twilight Sparkle isn�t dead.
But she's not exactly alive either, and there�s only one pony who can see her, can hear her, can prove that Twilight still exists. Unfortunately for Twilight, or perhaps fortunately, that pony is a certain pink baker and party planner.
Image by Coyoterainbow. Link: http://fc05.deviantart.net/fs71/i/2011/233/a/f/good_life_by_coyoterainbow-d47eeub.jpg And no, I have not seen Ghost. Improved summary courtesy of Donny's Boy.