This week's best dressed celebs are some of our absolute favorites! Like Rachel Bilson, we love her street style! She's always so classy, simple, and trendy. We'd just love to own her wardrobe! And Taylor Swift wore such a cute dress at the launching of her new fragrance. We have spotted some of Hollywood's most stylish fashionistas this week, and we love their outfits! Click on the pictures to see our favorites of the week!