First is Easy Virtue (which I believe opened in the UK already):
My first thought on this is "GAH Jessica Biel!" She my least favorite actor in the world. It also appears that from the photos she is dressed more 30s than 20s while the other actresses appear to be 20s accurate (similar to Leatherheads). Despite my misgivings I will probably see this.
Next is Cheri. Boy, Google that and see what kind of porn you get.
In all honesty I don't know much about any place outside of America in the 20s. I would assume that the fashions look similar to ours with the dropped waists. The dress above looks earlier, however. As I mentioned earlier Google was less than helpful in producing any other costume photos. Regardless I am completely in love with this:
