The Queen awarded a medal to an employee at a private ceremony before she was later driven to King Edward VII Hospital in London.
Before her admission for treatment for gastroenteritis, the 86-year-old presented a female member of staff an award for long service at Windsor.
More top news
Charlo Greene announced her resignation as a reporter on Alaskan network KTVA live on-air with some choice language.
Watch the amazing moment a cyclist in Russia escapes being killed as a truck and car collide at high speed.
Cameron may have wrong-footed Labour, but there may also be serious rumblings from his own backbenchers, if he wavers on England's future.