Hillary Clinton was presented with a personalised American football jersey and helmet on her return to work yesterday.
The Secretary of State, 65, had been absent for a month after suffering from a stomach virus, a concussion and a blood clot in her head.
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Queen Elizabeth II is to celebrate her 92nd birthday with a star-studded line-up at the Royal Albert Hall in London.
Both figures were not taken seriously before being appointed to their huge roles, but the similarities don't stop there.
The US president, who has not visited the UK since being elected, is reported to be planning a summer trip to Britain.