Luckily, she says she didnt have to be completely faithful to historical accuracy because its a satire.
Shes quite a complex character, so we can go a little bit madder.

The Great – “Choose Your Weapon” – Catherine is visited by the UK and US Ambassadors both wanting her to intervene in the War of IndependenceChristopher Raphael/Hulu

Costume Sketch for Aunt Elizabeth’s outfit for the Ambassadors dinnerSharon Long