Pippa Middleton

It's all about the well-plumed hats for royal wedding guests

Like every good royal wedding, it was all about the hats, the dresses and the posh tails, with some fashion standouts among the guests at Windsor Castle.

Amal Clooney was undeniably regal in a mustard yellow Stella McCartney dress with cap sleeves and a long tie in back that bordered on a train as she glided into St. George's Chapel on Saturday for the wedding of Prince Harry and Meghan Markle. Her actor husband, George Clooney, was at her side in subtle grey and a pale yellow stripe tie.

Granted, it's difficult for Ms. Clooney merely to blend in, but her jauntily tilted and perfectly matched wide-brim hat, displaying a dainty veil in front, brought gasps both online and...

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