For formal occasions, browse our range of plus size evening dresses perfect for a party or fancy event. 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 - from midi and maxi dresses to beautiful shift dresses, you'll be sure to find something suitable in our collection of plus size evening and occasion 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!