This is a chiffon evening gown by Christian Dior, from the 1990's. It has a halter neck, drop waist, gathered draped chiffon at the hip, and covered "bridal buttons" down the side seam, the body of the dress is nude to hot pink to dark purple ombre at the hem. Left side has a side slit for ease of movement. The gown is bias cut so there is some flexibility to the fit.
Waist- up to 30"