Queen Elizabeth all smiles: Royals day out

Britain's Queen Elizabeth leaves the Commonwealth Observance Service at Westminster Abbey in London . (REUTERS)

Britain's Queen Elizabeth II arrives for the annual Commonwealth Observance service at Westminster Abbey in central London on March 10, 2014. The annual Observance is marked by a multi-faith service at Westminster Abbey in honour of the Commonwealth of Nations, the organisation of 53 member states of which the queen is the head. This year's theme at the service celebrates Glasgow's hosting of the 2014 Commonwealth Games.  (AFP) 

Britain's Prince Edward (L), Earl of Wessex, and wife Sophie (R), Countess of Wessex,  leave following the annual Commonwealth Observance service at Westminster Abbey in central London on March 10, 2014. The annual Observance is marked by a multi-faith service at Westminster Abbey in honour of the Commonwealth of Nations, the organisation of 53 member states of which the queen is the head. This year's theme at the service celebrates Glasgow's hosting of the 2014 Commonwealth Games. (AFP)

Britain's Sophie, Countess of Wessex, leaves the Commonwealth Observance Service at Westminster Abbey in London March 10, 2014. (REUTERS)

Britain's Prince Charles and Camilla, Duchess of Cornwall arrive for the Commonwealth Observance Service at Westminster Abbey in London.  (REUTERS)

Britain's Queen Elizabeth II arrives for the annual Commonwealth Observance service at Westminster Abbey in central London on March 10, 2014. (AFP)