• SIENNA MILLER photo | Sienna Miller

Credit: photofab/jaworski/Rex USA

Published: Saturday March 01, 2014 17:20 PM EST



If we had space, we'd share the entire email chain between two editors gushing over Sienna's ensemble. But we don't, so we'll just say that her flowy mocha-hued dress goes perfectly with a more structured animal-print jacket and camel heels. And her messy topknot adds just the right I-didn't-try-too-hard vibe.