Elizabeth Fillmore   New York Magazine Pick   The Collection: Modern-day cuts with goddess appeal. Soft, romantic, and ethereal, the slim gowns are known for their sensual draping.   The Gown: Four-pile silk chiffon gown with loose sleeves.   The Price: $2,640.   Where to Buy: Gowns range from $2,250 to $9,900 and can be purchased at Saks Fifth Avenue and Bergdorf Goodman.