By InStyle Staff
Updated Sep 14, 2013 @ 4:12 pm
Keira Knightley, Julia Roberts, Dianna Agron, Katie Holmes and Kate Middleton
Credit: Stefanie Keenan/Getty Images/ Warren Toda/LANDOV/ Charles Sykes/Invision/AP/ Dimitrios Kambouris/Getty Images/ James Whatling / Splash News

It's your turn to be the judge of your own Fashion A-List and pick who rocked it best from this week's celebrity Look of the Day moments! These five glamorous looks from around town made our Look of the Day section and scored spots in the ranks of our very own A-List Top 5: Keira Knightley (in Mary Katrantzou), Julia Roberts(in Dolce & Gabbana), Dianna Agron (in an Osman ensemble), Katie Homes (in a rose skirt and cashmere sweater), and Kate Middleton (in Jenny Packham). Now that you know our faves, tell us yours by making your own Top 5 with’s A-list tool. Visit and pick your top looks, then share your picks with your fashion-savvy friends on Facebook and Twitter. Head to the A-list maker right now to get started.