To help get you get that jump start on your new Fall wardrobe, we're having a fun contest every week for five weeks. Each Tuesday morning, we'll tell you what key items to search for on ShopStyle to include in our "PopSugar Fall Wardrobe" group. We'll be picking a bunch of our favorite hottest Fall trends, and this week we're kicking things off with a hot cocktail dress and killer heels — use Blake's beautiful purple dress as inspiration. Just follow these easy steps:

• Log into your profile on ShopStyle (remember, if you have a TeamSugar profile, you have a corresponding one on ShopStyle)
• Create a look by picking your favorite cocktail dress and hot heels for this Fall season
• Add the look to the "PopSugar Fall Wardrobe" group

. . . and you will be entered to win $500 this week! Continue adding the specified items from each of our challenges for the next four weeks, and be entered to win the grand prize of $5,000 to buy anything on ShopStyle. Be sure to include items from a variety of retailers, since being able to shop all your favorite brands in one place is what makes ShopStyle so genius.

To see all the official rules, click here.