Wonder Woman and her alter ego, Diana Prince, have a stylist, and her name is Lindy Hemming. When the Oscar-winning Welsh costume designer behind The Dark Knight trilogy was brought on to dress Gal Gadot for director Patty Jenkins’ Wonder Woman, the heroine’s red, gold, and blue battle armor had already been created for her Batman v Superman: Dawn of Justice cameo. But in Wonder Woman 1984, set for release on August 14, Wonder Woman’s new winged golden battle armor is entirely Hemming’s design, taking...