Alright, quick background...my sister had a very informal ceremony in front of about 15 people several years ago, with no reception afterward. She will sometime say how she wishes she had the white dress, misses having not danced with our father, not tossed the bouquet, ect. She and her husband just bought a house, and in the process of planning a surprise housewarming, myself, my other sister and our mom thought, why not give her a surprise wedding reception at the same time? The whole family is onboard, as well as her husband, so does anyone have any tips or tricks for how to pull this off? Any advice is welcome!