Celebrity Vote Now! Who Dressed Best This Week? By InStyle Editors InStyle Editors Facebook Instagram Twitter Our editors and writers comprise decades of expertise across the beauty, fashion, lifestyle and wellness spaces in print and digital. We prioritize journalistic integrity, factual accuracy, and also having fun with every story we share. InStyle's editorial guidelines Published on February 15, 2013 @ 05:40PM Pin Share Tweet Email Photo: Christopher Polk/Getty; CelebrityPhoto.com; Bill Davila/startraksphoto.com; Sara De Boer/startraksphoto.com; Neil Rasmus/BFAnyc/Sipa USA Our favorite looks this week—plucked from our Look of the Day section—took fundamental colorways and added a dose of sparkle. Taylor Swift vamped up the Grammys red carpet in an ethereal J. Mendel dress, Zoe Saldana wore a peek-a-boo Alexander McQueen LWD, Beyoncé worked every angle of her embellished Elie Saab Haute Couture gown, Michelle Williams wowed in a Prada column, and Olivia Wilde watched the Calvin Klein runway show in a periwinkle design by the label. Who do you think was best-dressed this week? Vote below! MORE:• The Grammys Red Carpet Fashion• Michelle and More Premiere Oz• Beyoncé’s Halftime Show in Photos