If you saw my sister in a wedding dress in a dream: Avoid attitudes that may be perceived as bossy, You should not let events get out of control. To see my sister in a wedding dress in a dream, to see a single sister in a wedding dress indicates that this person will achieve his/her wishes, enter the world marriage, have a happy union and have pleasant moments. If the married sister is in a wedding dress, the peace and happiness in this person's household will increase and her health will be good.