Time to pick your Fashion A-List 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: Bella Thorne (in Olima Atelier), Olivia Wilde (in J. Mendel), Lily Collins (in a Paper London crop top and Halston Heritage skirt), Heidi Klum (in Kaufmanfranco), and Molly Sims (in a peachy top and coral tapered trousers). 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 your picks with your fashion-savvy friends on Facebook and Twitter. Head to the A-list maker right now to get started.