The 29-year-old captioned the post: “This afternoon, my sister and I attended a Garden Party at Buckingham Palace in support of Her Majesty.
“I really enjoyed meeting such a diverse group of people who were all invited in recognition of their work in their respective communities.”
The event was held as part of a tradition in which the Queen hosts three garden parties at Buckingham Palace over the European summer and one at her Scottish residence, Holyroodhouse. The events sees some 30,000 guests attend, all who have been deemed to have made an outstanding contribution to their community.