Queen Mary Green Dress Slovian Royalty Postcard eBay Style file: Princess Mary of Denmark's best looks Queen Mary wore a stunning emerald green gown crafted from luxurious silk velour, featuring a delicate lace bodice. The enchanting dress was designed by Danish haute couture tailor Birgit Hallstein, who Denmark's Crown Princess Mary arrives for the opening of 'State of Green Join the Future Think Denmark' forum at the Sofitel Wentworth Hotel in Sydney, Monday, Nov. 21, 2011. The Danish Queen Mary Skips a Tiara and Embraces the Brooch Trend Marie Claire Looking Back At Queen Mary Of Denmark's Best Looks Before She Became A Royal