Twin sisters Lady Eliza Spencer and Lady Amelia Spencer, nieces of the late Princess Diana, proved they really are style sisters as they swapped their bridal outfits moments before watching the Atelier Emé Bridal Collection show in Milan Twin sisters Lady Eliza Spencer and Lady Amelia Spencer, nieces of the late Princess Diana, proved they really are style sisters as they swapped their bridal outfits moments before watching the Atelier Emé Bridal Collection show in Milan