May 3, 2008 -- THE furor over Miley Cyrus and her semi-nude pose in Vanity Fair has turned into a cash cow for design house Faviana. Sales of its prom dress - a knockoff of the red gown Cyrus wore to the Oscars - have gone through the roof. "Ironically, this is a teen-appropriate dress because of its modest neckline and covered shoulders." CEO Omid Moradi said of the $258 schmatta.