Julianne Hough, wearing custom Topshop, attends the Costume Institute... News PhotoAdult,Adults Only,Ankle Strap Shoe,Annual Event,Art Museum,Arts Culture and Entertainment,Asymmetric Clothing,Asymmetric Dress,Attending,Black Color,Black Pearl,Black Shoe,Blond Hair,Bodice,Bustier Dress,Calvin Klein - Designer Label,Celebrities,Checked Dress,Checked Pattern,Clutch Bag,Cocktail Dress,Cultures,Diamond - Gemstone,Dress,Evening Wear,Exhibition,Fashion,Flared Dress,Full Length,Gala,Giuseppe Zanotti - Designer Label,Giuseppe Zanotti Shoe,Gold Colored,Gold Purse,Gray,Gray Dress,Hand On Hip,High Heels,Jacob & Co,Julianne Hough,Met Costume Institute Benefit Gala,Metallic,Metallic Purse,Metropolitan Museum Of Art,Minaudiere,New York City,One Person,One Woman Only,People,Pointed Toe,Pompadour,Purse,Ring,Shoe,Strapless,Strapless Dress,Stud Earring,Topshop - Retailer,Tulle Netting,USA,Up Do,VerticalPhotographer Collection: Getty Images Entertainment 2013 Getty ImagesNEW YORK, NY - MAY 06: Julianne Hough, wearing custom Topshop, attends the Costume Institute Gala for the 'PUNK: Chaos to Couture' exhibition at the Metropolitan Museum of Art on May 6, 2013 in New York City. (Photo by Larry Busacca/Getty Images)