One dress style, with a pop of patterns and colour, has undeniably become her signature, and it wasn't long before her daughter Princess Charlotte cottoned on to Princess Kate's impeccable fashion ...

Princess Charlotte ... Cumbria earlier this year. Charlotte's photo broke tradition from her previous birthday portrait outfits of sweet sweater sets and floral dresses—and she also matched ...

While that was one major difference, Prince George, Princess Charlotte and Prince Louis all wore the replica of the historic ... the material used for the dress would match the original.