• EMBELLISHED SIDE CUTOUTS photo | Rooney Mara

Credit: Charley Gallay/Getty

Published: Tuesday March 31, 2015 06:00 AM EDT

2015

EMBELLISHED SIDE CUTOUTS

Usually cutouts are employed to help up the sexiness factor in a body con gown, but we're almost positive that's not the reason for Rooney Mara's shark-bite-esque side slits. Perhaps she sticks her hands in there to keep warm?