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Birthday greetings for the Queen have been coming in from all over the globe.
This latest one is out of this world, as astronaut Tim Peake tweets.
We were there to capture the excitement as thousands of well-wishers lined Windsor's streets for the Queen's 90th birthday.
A pensioner has created a special birthday tribute for the Queen in his front garden.
Ben Bennett, 83, lives a short drive away from Windsor Castle. He says the twelve foot statues of Her Majesty and Prince Philip at his Oakley Green home is drawing in the crowds.
Crowds have begun to line the streets of Windsor as fans wait to see the Queen on her 90th birthday.
The Queen, accompanied by The Duke of Edinburgh, will later unveil a plaque marking The Queen's Walkway at the foot of Castle Hill, before undertaking a walkabout to meet the public and well-wishers.
ITV News Royal Editor Tim Ewart is in Windsor:
Well-wishers have been queuing outside Windsor Castle since Tuesday to get the best spot for the Queen on her birthday walk-about.
Royal enthusiasts Anne and Judy came left Cardiff at 3am, along with their King Charles spaniel named Camilla after the Duchess of Cornwall, to "share her great day".
The sisters told GMB they "admire her stamina" and they "absolutely adore the Queen".
The Queen Elizabeth cruise liner has wished Her Royal Highness a happy birthday.
The crew of the luxury ship gathered on deck in the sunshine to pose for a photograph.
Latest ITV News reports
Bell ringers in Dover celebrate the Queen's 90th birthday with a one quarter peel
Hundreds of beacons will be lit across the South from 7pm tonight - to celebrate the Queen's 90th birthday. Find your nearest beacon: