As a monarch and Head of State, Queen Elizabeth had the challenging task of treading a delicate diplomatic path throughout her reign. She hosted countless Presidents and Prime Ministers, undertook overseas visits representing the nation and made thousands of public appearances.
All the time the Queen looked serene and at ease, never letting us know what she was really feeling deep inside. This is surely essential for someone with such a high-profile and politically neutral role and former BBC royal correspondent Jennie Bond has dubbed it a "great skill".
