u can try to go to "kum do" mall in Prince Edward to take a look~ there have a lot of different style, and if u can't find any, u can ask them to tailor-make one for u ar~~it's not expenisve
I made a silk dress for my sister be4 and it's around 5 hundred
anyway, Congratulations to ur sister and hope u can find a dress u like la~ ;)