There is nothing the Ziegler sisters can’t do. One is Sia’s muse; the other is a rising alt-pop star; both have authored books and launched their own makeup lines. Downtime? Never heard of her. Though ...

American Eagle Outfitters will unfurl the next phase of its back-to-school campaign with a collaboration with sisters Maddie and Kenzie Ziegler that features a collection and ad campaign. Maddie ...