About HRH The Princess of Wales on Instagram: "#News: πThe Prince and Princess of Wales, @NHScharitiestogether patrons, surprised staff and patients from around the UK when they appeared at an #NHSBigTea party in the wellbeing garden of St Thomas' Hospital in London. The Princess wore her @alessandrarich 'Azure Midi dress', debuted for a street party during the Platinum Jubilee and reworn at Wimbledon last year. The frock has a distinct vintage vibe. It's been made in Italy from lightweight cre