Vintage Bob Mackie Moody Glam Beaded & Sequin Dress Recess Bob Mackie Dresses Worn by Cher and Tina Turner Head to Auction The New York Times Bob Mackie @arianagrande wears a white strapless silk and multi layered ball gown with elaborate gold and crystal embroidery, jewels and beads, from Instagram Bob Mackie Mackie himself pulled a gold beaded gown from his fall 1997 collection for dancing at the reception, which was held at the @waldorfbevhills Instagram