If you are not married, but getting ready for your wedding then the dream about the wedding is normal and it shows the fact that you are looking forward for this celebration. If you are married and dream about your wedding that happened in the past, it shows that you missed the old good times you had with your partner. The wedding could also represent the new ideas the dreamer has, or commitments he made. Some people who are not married, but dream about the wedding have these dreams very often, because of the desires. If you attend into someones wedding during your dream and enjoy the time there, then it means that you support the relationships of these people. Sometimes the wedding could indicate the dreamers desire to be in the center of the attention.
Read more about dreaming of Wedding in other dream meanings interpretations.