Britain's Queen Elizabeth smiles after unveiling a plaque during her visit to the National Theatre to commemorate its 50th anniversary, London October 22, 2013. REUTERS/Lefteris Pitarakis/pool ... more 
Britain's Queen Elizabeth smiles after unveiling a plaque during her visit to the National Theatre to commemorate its 50th anniversary, London October 22, 2013. REUTERS/Lefteris Pitarakis/pool (BRITAIN - Tags: ENTERTAINMENT ROYALS SOCIETY) less 
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Reuters | Photo By POOL / REUTERS
Tue, Oct 22, 2013 10:36 AM EDT