The Duchess of Edinburgh struggled to hold back a few giggles as she was greeted by a half-naked student during a royal outing in London. Sophie, 59, visited the London College of Fashion at their new East Bank campus in Stratford’s Queen Elizabeth Olympic Park on Monday. The students were sharing some of their creations to mark London Fashion Week. One student, named Filip Gesse, shared his creations with Sophie while wearing a nude-coloured bodysuit. The duchess, who has been stepping up to support the Royal Family in recent weeks, giggled as she greeted the fashion student. Sophie became pa…