Best Celebrity Style For October 3, 2011

Slick street style and hot red carpet arrivals are at the heart of our favorite looks this week. Additionally, the crisp Fall air has our favorite style-setters topping off their enviable ensembles with Fall's sophisticated blazers trend. From Miranda Kerr's on-the-go look in Paris to Molly Sims's party frock, these celebs make quite the case for owning your own polished topper. But that's not all; inside you'll find inspirational looks from Mary-Kate, Ashley, and sister Elizabeth Olsen, casual style to steal from Katie Holmes, and more of our favorites in this week's top 10. Click through to see them all.