LAS VEGAS — Fashion’s motto at the moment is “Express yourself,” and that was certainly reflected at the recent WWDMAGIC show. Designers gave young and exuberant interpretations of every current trend, from western wear and crochet knits to silver and animal patterns. Here, Relish’s wild acrylic sweater and Sergio Valente’s nylon and spandex pants with rhinestone details. For more, see pages 6 and 7.