Looking for an affordable pretty blue party dress for social occasions? Check out this lovely blue wedding-guest dress, under $100. Crafted in a giving jersey-spandex blend that holds its shape, this charming sheath party dress is form-fitting with an air of sophisticated elegance. The sweetheart bodice features an off-the-shoulder flounce that drapes softly over the arms and around the back of the designer dress by Sequin Hearts. Complemented by a ruffled high-low hem, the knee-length pencil skirt on the sweetheart dress completes the sleek look. This soft blue party dress is ideal for wedding guests, mothers' of bride or groom, and party-goers alike.