Shine in the spotlight wearing this long periwinkle a-line formal dress 20360 by Mac Duggal. With a beaded sleeveless bodice with a sheer high neckline, this periwinkle long special-occasion dress is undoubtedly the star of the show at prom, galas, and other formal events. The long pleated tulle skirt flows to the floor in an a-line shape to complete the look of this long periwinkle formal dress that is a classic style with plenty of sparkle for your big night.