From the red carpet to New York Fashion Week, some of Hollywood’s stylish ladies stepped out in stunning looks that made everyone stop and stare. Now it’s your turn to tell us who had the best look of the week 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? Emmy Rossum (in Yigal Azrouel), Cate Blanchett (in Prada), Hailee Steinfeld (in Miu Miu), Blake Lively (in Michael Kors), and Lupita Nyong’o (in Calvin Klein Collection). 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!

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