Sleeved Long Formal Dress: Amelia Couture 7046 solitude Page 2. As beautiful as it is modest, this long formal dress 7046 is effortlessly elegant. From Amelia Couture, this long a line evening gown features a beaded v neck bodice with sheer three quarter sleeves that add sparkle to the upper arms. The exciting long dance dress has a silky skirt that flows away from the hips to the floor in an a line shape. Any bride would love to see her mother or mother in law representing the family in this long formal dress that is also beautiful for galas and other black tie events.