• ROONEY MARA  photo | Rooney Mara

Credit: Andrew H. Walker/Getty

Published: Wednesday October 02, 2013 17:30 PM EDT

2013

ROONEY MARA

We wonder if Rooney has a secret identical twin who attended the Calvin Klein Collection after party in her place. Because it's really unlike the actress – decked in a sleek black dress by the label – to smile that big.