From red carpet fêtes to city jaunts, some of Hollywood's leading ladies stepped out looking quite glamorous, and now is your turn to tell us who had the best look of the week! You can start making 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 ladies from around town: Miley Cyrus (in Maison Martin Margiela), Julia Roberts (in Givenchy), Margot Robbie (in Armani Prive), Kristen Wiig (in Michael Kors), and Kate Bosworth (in a moto jacket, gray tee, and black skinnies). 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.