PLEASE PLEASE PRACTICE before digging into that project! While your heart is in the right place, you don't want your daughter-in-law to be stuck with a "loving hands at home" dress that she feels obligated to wear. A wedding dress is such a special thing, and she'll look at it for the rest of her life in her wedding pictures, so it has to exactly what SHE wants. Be sure you aren't making her feel like she will be upsetting her future mother-in -law by not wearing what you make. Maybe a lovely bed quilt or a wallhanging to commemorate the wedding would be a better idea. Good luck!