Girls Frozen Nightie. A night dress so beautiful it is worth melting for! Your ice princess will simply love this night gown in navy, which has a wonderful design on either side. One side displays a print of Queen of Arendelle Elsa, whilst the other has a print of sister Anna. With floral backdrops and a gorgeous frill detail on the sleeves and hem this pajama will make a royal addition to her wardrobe.