(BauerGriffin)

Kate Beckinsale was snapped out and about in London yesterday wearing super-chic black-and-white—check out the cute button details on her figure-hugging pencil skirt, and we love her cat-eye sunglasses!

But the accessory that really stole the show was definitely Beckinsale's ultra-ladylike, glossy black calf leather "Heroine" bag, which features a structured silhouette and an expandable body. Available right now—just in time for fall!—the handbag is $2,595 at Alexander McQueen.

Are you looking for a new bag this fall? Do you love the structured handbag look? Tell us in the comments!

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