arianagrande wears a white strapless silk and multi layered ball gown with elaborate gold and crystal embroidery, jewels and beads, from the #bobmackie Fall Winter 1997 collection. : via Ariana Grande Styled by: @ 1980s Bob Mackie Black Lace Illusion Paper Bag Drop Waist Dress Size 6 Modig A Line V Neck Light Blue Long Prom Dresses, Light Blue Long Formal Evening Bridesmaid Dresses, US 10 Custom Color No Rush Royal Blue Satin Off Shoulder Ball Gown Luxury Formal Dress with Sequins Floor Length Evening Wear 1980s Bob Mackie Sheer Beaded Gown M G O S S A M E R Glamorous Royal Blue Sweetheart Prom Dress Mermaid Long Evening Gowns With Split