Authentic Diane von Furstenberg dress, never been used

100% authentic Diane von Furstenberg dress, size 8 as DVF size, very pretty, never been used, the original tag still attached From shoulder to shoulder is around 15 inches, armpit to armpit is around 16 inches, the length of the dress is around 34 inches and the sleeves is around 19 inches. Please see pictures for all the details and measurements