This week, some of Hollywood’s most stylish ladies stepped out wearing stunning ensembles that gave everyone in our office something to talk about.

Who made it on our best-dressed list for the week?  Kristen Bell (in Naeem Khan), Emmy Rossum (in Andrew Gn), Jessica Alba (in Anthropologie blazer, white tee and black J Brand skinnies), Jamie Chung (in Zara), and Emma Watson (in Wes Gordon).

Now that you know our faves, tell us yours by making your own top five 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!