Popsugar Fashion Celebrity Instagrams Who Is Haley Bennett? The Girl on the Train's Haley Bennett Is the Bona-Fide Style Star You Should Already Know October 8, 2016 by Marina Liao View On One Page Photo 9 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Did We Mention How Much She Looks Like Jennifer Lawrence? She wore a custom Michael Kors sequin-embroidered silk-crepe gown to the 2016 Met Gala. Previous Next Start Slideshow Celebrity InstagramsThe Girl On The TrainHaley BennettFashion Instagrams