News Have a Favorite Look From This Week? Tell Us With the A-List Tool 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 December 7, 2013 @ 05:49AM Pin Share Tweet Email Photo: Dominique Charriau/Getty; Cindy Ord/Getty; David Fisher/Rex/REX; Michael Stewart/Getty; Anthony Harvey/Getty Did you see a red carpet look this week that you just loved? Tell us with your Fashion A-List by choosing five of the best looks from this week’s celebrity Look of the Day moments! Who made it on our list? These five glamorous ladies from around town: Marion Cotillard (in Christian Dior), Allison Williams (in Oscar de la Renta), Keira Knightley (in Chanel Couture), Gabrielle Union (in Prada), and Kate Middleton (in Roland Mouret). Now that you know our faves, tell us yours by making your own Top 5 with InStyle.com’s A-list tool. Visit instyle.com/instyle/a-list and pick your top looks, then share them with your fashion-savvy friends on Facebook and Twitter. Head to the A-list maker right now to get started. MORE:• Keira Knightley Re-Wore Her Wedding Dress Three Times!• Gabrielle Union Celebrated Alvin Ailey American Dance Theater• See Kate Middleton's Best Looks!