CAMBRIDGE, ENGLAND - MAY 23: Queen Elizabeth II and Prince Philip, Duke of Edinburgh arrive at The Medical Research Council on a Guided Bus on May 23, 2013 in Cambridge, Cambridgeshire. (Photo by ... more 
CAMBRIDGE, ENGLAND - MAY 23: Queen Elizabeth II and Prince Philip, Duke of Edinburgh arrive at The Medical Research Council on a Guided Bus on May 23, 2013 in Cambridge, Cambridgeshire. (Photo by Mark Cuthbert/UK Press via Getty Images) less 
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Getty Images | Photo By Mark Cuthbert / UK Press via Getty Images
Thu, May 23, 2013 7:39 AM EDT