You cocktail dresses, which impose?

For some time, a growing number of women decided to wear dresses for various occasions. First, it happens that, after all, is a very convenient option as it is not necessary to fold the top to the bottom. However, it is sufficient to choose the right bag and shoes and attire fast. But how do you dress for a wedding? First, you should consider if you buy the dress just for this event or if it can be used successfully on other occasions.