Britain's Queen Elizabeth II celebrated her 96th birthday on Thursday, in the same year that marks her 70 years on the throne.

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The Queen has traveled to Sandringham, her estate in Norfolk, eastern England, for a private break.

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William and Catherine, the Duke and Duchess of Cambridge, sent the Queen a birthday message on social media.

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"Wishing Her Majesty The Queen a very happy 96th birthday today!" reads the tweet. "An inspiration to so many across the UK, the Commonwealth and the world, it's particularly special to be celebrating in this #PlatinumJubilee year."

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Charles, the Prince of Wales and Camilla, Duchess of Cornwall also sent a birthday message to the Queen.

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"Wishing Her Majesty The Queen a particularly special 96th birthday today, as we celebrate her Platinum Jubilee year," the pair posted on Twitter.

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