If you dreamed about seeing your sister-in-law in a wedding dress: You can strive to improve your work for which you are responsible, changes at home may have beneficial results. Seeing your sister-in-law in a wedding dress in a dream means that if this person is single, he will have good luck and will achieve his wish, enter the world marriage, and establish a happy home. If he is married, it is interpreted as a good event, joy.