For July 2014, Prima Magazine are offering a classic set of dresses - a short-sleeved women's dress, and a sleeveless girl's dress.
Grace Kelly-style 50’s frock. With their simple stylish silhouettes, these summer dresses are perfect for girls of all ages. Women's dress and girl's in Sizes 10 - 20 (UK). Girl's dress in Ages 4 - 10.
See my old post here on tips for ordering their patterns: PRIMA Magazine: How to Order Their Sewing Patterns.