Activity for Kate

So I chose to have 4 bridesmaids and tomorrow is the very first activity that I invited everyone to participate in, we are shopping for my wedding dress. Well one of my bridesmaids decided that today was the perfect day to bow out of her position,...

Has anyone size 16+ gone and done the whole wedding dress shopping experience with their bridesmaids and mothers and all that jazz? Would you be willing to provide me with any advice? I've been warned that I may barely fit into the larger sample...