LONDON — Gareth Pugh marked a decade of his eponymous label in spectacular fashion Saturday night at the Victoria and Albert Museum, fittingly the home of the world’s largest holding of decorative arts and design. The runway show also came as a bit of a homecoming for the English fashion designer who has shown in Paris for the better part of seven years. Pugh did not take the occasion lightly either, sending out warrior women whose faces makeup artist Alex Box painted with the Cross of St. George. Those per