Captain Craig wrote:
She was beautiful in her costume there(late 18th century/early 19th) so I'll be curious to see her in her 1940s outfits.
Check out Brideshead Revisited
from a few years ago for her in period (well, 1920s, but that's pretty close) clothing.
I remember liking The Duchess
; it's on the lower end of Knightley's costume dramas, but it's well-made, and it sort of deconstructs what was then becoming Knightley's stock-in-trade, the spunky ahead-of-her-time girl.