© Licensed to London News Pictures. 11/06/2016. London, UK. CAMILLA, DUCHESS OF CORNWALL and CATHERINE, DUCHESS OF CAMBRIDGE, in a horse drawn carriage during the Trooping The Colour ceremony in London. This years event is part of a weekend of celebration to mark the 90th birthday of Queen Elizabeth II, who is Britain's longest reigning monarch. Photo credit: Ben Cawthra/LNP
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