Think Katherine Hepburn inThe African Queenor Barbara Stanwyck inThe Big Valley.

Cait looksamazingin that costume.

Its romantic beyond romantic.

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Ruven Afanador for EW

Id verify it was warm.

There are a lot of layers to that costume on purpose.

doesnt make its triumphant debut for several episodes after the dramas Sept. 10 premiere.

Want more behind-the-scenes scoop before then?

Find out about all the Easter eggs in the season here.

Heres some scoop about that big print shop reunion.

Heres a very early preview of season 4.

And you saw all these excellent photos, right?