LONDON, ENGLAND - MARCH 17: Queen Elizabeth II attends the offical opening of 'The Land Of The Lions' exhibit at London Zoo on March 17, 2016 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - MARCH 17: Queen Elizabeth II attends the offical opening of 'The Land Of The Lions' exhibit at London Zoo on March 17, 2016 in London, England. (Photo by Samir Hussein/WireImage)