The Duchess of Cambridge will join her grandmother-in-law, Queen Elizabeth, and her stepmother-in-law, Camilla, the Duchess of Cornwall, at an official engagement at Piccadilly's flagship Fortnum and Mason's store on March 1, as "three royal ladies have tea," a royal source tells PEOPLE.
Diary of a Fashion-Week Fanatic: Two days, 17 shows. How much fashion can one reporter take? ti.me/xeSh4H
We make this vow to "The Vow": We will rewatch you when sick on the couch.