For formal occasions, browse our range of plus size evening dresses - whether you're looking for a mother of the bride plus size dress or a garden party gown you're sure to find something you love in our collection. Our plus size dresses come in styles that are both sophisticated and flattering and our elegant evening dresses are available with both short and long sleeves. Choose from a variety of lengths and styles - from midi and maxi dresses to beautiful shift dresses. Our plus size party dresses are available in sizes 18-28. So, what are you waiting for? Dive in and find your next favourite cocktail dress at Bonmarché. And what's more? We now ship to the EU!