Only worn once for my sister’s wedding! Originally $550. Size 0, fits like a 0-2. No alterations were done! Backless bias-cut satin maxi dress. Description: Penelope is our top bestseller that is guaranteed to make you feel effortlessly beautiful and captivating. A stunning bias-cut satin gown featuring a high neck, a low-cut back and open sides, a thigh-high side slit with covered button detail at the hip, and a large statement wings at the back of the neck.