Professional graphic design 2D illustration of a fashionable dress on a female figure, viewed from the front and back, incorporating current fashion trends to create a design for a long pastel blue evening gown, with a flat 2D style, the woman has a slender figure, delicate facial features, and smooth skin, her hair is styled elegantly, the dress is floor-length, with intricate details and a subtle sheen to the fabric, the pastel blue color is soft and calming, with a delicate gradient effect to give it depth and dimension.