Maggie Grace & Mackenzie Foy Joins The Cast of Breaking Dawn

See Maggie? Told you you shouldn't have left Lost. Now you done stuck with them Twilight people.USA Today has just announced that Maggie Grace of Lost fame will be joining the cast of Twilight for the first half of The Twilight Saga: Breaking Dawn. I'm not really sure what she's playing but they says it's some vampire that wants revenge on Bella. When will they stop with the revenge-ing on Bella