Just days before the Golden Globes air live on January 12, some of Hollywood’s leading ladies stepped out looking glamorous for numerous fêtes around town, and now it’s 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: Lupita Nyong’o (in Elie Saab), Cate Blanchett (in Antonio Berardi), Jessica Chastain (in Oscar de la Renta), Sandra Bullock (in Peter Pilotto), and Olivia Munn (in Victoria Beckham). 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.