Shopping for a wedding guest gown in a plus size? You will find just the right dress for you in our gallery! We have a great selection of plus size wedding guest dresses for any time of year and weather. If you go to an autumn or winter wedding it is best to wear long gowns with sleeves. Spring and summer wedding guests often wear a floral print dress or use bright colors. These stunning gowns are available in different lengths and colors. Choose a dress and enjoy the celebration knowing you look picture perfect.