The 'shocking' dress that cost Sutton Stracke $20,000 in a single night and here's why everyone's talking about her back! While others were showcasing collections, Sutton decided to showcase a backless Beautiful in blue. The third doll in the Barbie Signature Gala Collection does red carpet glam in a mermaid silhouette and sideswept hair. Shop the members only doll now, exclusively on Mattel Creations. Glam Shimmering Ocean Outfit for 18 inch Dolls My friend @suttonstracke wearing my custom couture @polatteu Beverly Hills original gown making @bravotv history wearing the most expensive gown in the @realhousewivesfranchise wearing REAL DIAMONDS holding her diamond in the season Mattel Barbie Doll and Party Fashions Set, 1 ct King Soopers Tiny Frock Shop All 12" Doll Women's Clothing