King Charles III and Queen Camilla were joined by other members of the family, including Prince William and Princess ...

XNY/Star Max//Getty Images Lively wore a black tweed suit composed of a plunging vest and tailored trousers. If her recent fitted grey suit felt like a nod to her character, this one was spot-on.

Vintage clothing is part of the fun, too. Peters will wear an old tweed suit that he bought at Goodwill. He cut off the pants at the knees to form knickers, which he accentuates with argyle socks ...