I have seen a bridesmaid dress,I love it very much,it is chiffon and lace,cap sleeve,navy blue dress.I have search it for a long time,but I can't find it now,could you help me to find a long navy blue bridesmaid dress ?
I got ours from Asos - they have some really nice ones at the moment and our BM's loved them!
This long navy blue bridesmaid dresses with lace cap sleeves maybe what you are looking for:
There are more fashion long navy blue bridesmaid dresses at http://www.dressforau.com/blue-bridesmaid-dresses-c-94_152_159.html , maybe there will some style you like it very much.
I wore a similar sounding dress by Alexon, from House of Fraser I think.