Most girls want to look like a princess on their wedding day, but what about girls who want to look specifically like a Frozen princess? Good news! Once Upon a Time defrosts first official pictures of Frozen cast Disney Weddings - yes, that is a real company - announced Thursday on its Instagram page that a Frozen wedding gown inspired by Queen Elsa's iconic frosted blue dress will hit stores next year. Along with the announcement, Disney Weddings debuted a sketch of the dress, which detailed a blue strapless design with a sweetheart neckline.