Daisy Ridley
The shape of this is really super on her -- I love everything about the whole appearance except for the shoes. I don't understand them here; they're SUCH duds for me in this context, and possibly period. (I tend to find the pumps that encroach so high on the foot to be very clunky.)
The zipper also feels like an unnecessary embellishment? Maybe I should instead appreciate that the expanse of leather has a feature to break it up.
Tilda Cobham-Hervey
This ALSO could benefit from a better shoe. But it's an easier puzzle to solve -- I think almost any color would have been cute.
Jeanette Hain
She plays Gertrude's mom. This outfit works for me as well -- somehow her vest looks like a butterfly to me.
Sian Clifford
Sian plays Gertrude's trainer, and while I can not see her without hearing/seeing "I LOOK LIKE A PENCIL" from Fleabag, the good news is that she does not look like a pencil. This looks like one of those dresses you couldn't put on a hanger because gravity would slowly stretch it down, down, down.