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Get excited: The trailer for the movie version of The Girl on the Train (aka the book you read in 24 hours last summer because it was too damn good to put down) is officially here. Emily Blunt plays Rachel, the alcoholic protagonist, with Justin Theroux as her handsome (and mysterious) ex. The trailer kinda gave us head-to-toe chills. But that doesn’t change the fact that we’ll be first in line at the theater on October 7 when the movie officially comes out.

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