![Kate Rooney Mara](https://cdn.statically.io/img/ew.com/thmb/uDBGZPY2WaksgJURZ510uEwyaos=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/kate-rooney-mara-ae82e2d8f9aa4a2da22cfb47ae16ffe5.jpg)
Looks like Kate and Rooney Mara swapped fashion personalities before last night’s premiere of Side Effects in New York City.
Kate took a break from her trademark girly style to wear a fit-and-flare LBD and edgy accessories, while the oft goth-inspired Rooney chose a romantic Alexander McQueen passementerie trimmed ivory cape dress. Both sisters wore heels by Nicholas Kirkwood.
Kate’s dramatic dress stood in sharp contrast to Rooney’s ultra-feminine frock, presenting us with the perfect opportunity for a sister vs. sister Fashion Face-Off poll.
Which Mara sister was best dressed? Cast your vote in the poll below.
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