• THE 'YOU CAN'T TRY THIS AT HOME,' 2011 photo | Rooney Mara

Credit: Sipa

Published: Wednesday October 22, 2014 11:00 AM EDT

2014

THE 'YOU CAN'T TRY THIS AT HOME,' 2011

Even if you had the precision of a heart surgeon, Rooney Mara's laser-sharp cut would be virtually impossible to replicate on your own head.