Fashion Poll: Who Was Best Dressed This Week? By Caitlin Petreycik Caitlin Petreycik Caitlin Petreycik is a writer and editor based in Brooklyn who covers all things food, fashion, design, and pop culture. In addition to InStyle, her work has been published in Glamour, Food & Wine, Vox, and New York Magazine. InStyle's editorial guidelines Published on April 13, 2012 @ 06:00PM Pin Share Tweet Email Photo: Getty Images; Splash News (3); Film Magic Our favorite outfits of this week—pulled from our Look of the Day top picks—focus on streamlined LBDs, with an ethereal gown and a spring-ready floral thrown into the mix. Our top picks: Coco Rocha in mint green embroidered Zac Posen, Alexa Chung in an inky dress toughened up with a cropped motorcycle jacket, Scarlett Johansson in a Versace peplum design, Penelepe Cruz in off-the-shoulder Emilio Pucci, and Dianna Agron in a rich navy and gold floral Alice + Olivia look. Which one is your favorite? Vote in the poll below and let us know! MORE:• Your Favorite Designers: A-Z• The Hottest Celebrity Bikinis• New Celebrity Hairstyles