Princess Diana's lookalike nieces recreate iconic 'revenge dress' on the red carpet The Mirror Diana's ICONIC REVENGE DRESS Reimagined by Nieces YouTube Vintage Princess Lace cottagecore Dress Cottagecore Dress Princess Diana's lookalike nieces recreate iconic 'revenge dress' on the red carpet The Mirror PRINCESS DIANA's NIECE and Prince William & Prince Harry's cousin, Lady Kitty Spencer A legacy of beauty, aristocracy and haute couture. From the Spencer family to modern royal glamour, Lady Kitty Princess Diana's nieces Amelia and Eliza Spencer attended the Fashion Awards wearing matching black dresses which drew comparisons to their late aunt's infamous "revenge dress" see their stunning red carpet looks