Prince William hosted his third and final garden party of the year at Buckingham Palace on behalf of his grandmother, the Queen.

At the prince's side were his wife, Kate Middleton, and his uncle and aunt, the Earl and Countess of Wessex.

Well, the Duchess of Cambridge wore a dress with a high neck and a waistline that was actually at the waist, rather than the empire line favored by young women of the Regency era, but "otherwise" there was no difference.

The Duchess, in a delicate pastel shade of blue-green, looked delightful and appropriate for spring. The Daily Mail points out that she has worn this dress before, proving once again that it is cool to re-dress.

She paired the dress with a matching hat/fascinator (not sure how much fabric it takes for a fascinator to stop being a fascinator and become a hat), matching Jimmy Choo pumps, and a handy umbrella for sheltering from the very British summer drizzle

Bridget.

Even more inclined to Bridgerton's recreation was the Duke of Cambridge in the full morning dress required for a royal garden party. He wore a long jacket, double-breasted vest, tie, and top hat, and gazed lovingly at his wife:

Sophie, Countess of Wessex, was dressed in a dress and hat similar in cut to Middleton's, but in a bright turquoise blue, almost sky blue It was a bright shade of turquoise, almost sky blue.

And if that's not enough of a debutante atmosphere, wait until you hear the history of the royal garden party." The official royal website says, "Historically, the garden party was a substitute for the presentation attended by the debutante. Did I not mention that?

These days, guests tend to be people who have contributed to public service in some way. For example, Middleton chatted with Royal Air Force personnel and Holocaust survivor Manfred Goldberg that day.