William and Kate mark 12th wedding anniversary with photo

Kensington Palace/PA William is wearing sunglasses, jeans and a blue shirt and Kate is wearing a white shirt and jeans. A pair of sunglasses rests on Kate's head.Kensington Palace/PA
The photo posted on their official Twitter account is simply captioned "12 years" with a heart emoji

The Prince and Princess of Wales have posted a photo online to mark their 12th wedding anniversary.

The photo shows the couple on bikes in Norfolk during sunny weather last year.

It was posted on the couple's official Twitter account, with the simple caption "12 years" and a heart emoji.

The couple married at Westminster Abbey on 29 April 2011 after an eight-year relationship.

They spent their first three years of married life in Anglesey, where Prince William was doing his helicopter training to become an RAF search and rescue pilot.

Getty Images LONDON, ENGLAND - APRIL 29: TRH Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge smile following their marriage at Westminster Abbey on April 29, 2011 in London, England.Getty Images
Around a million people lined the streets of London to catch a glimpse of the couple on 29 April 2011

William's marriage to his former university flatmate was the royal event of 2011 as 2,000 guests filled the abbey.

The grand affair featured two dresses, two receptions, a carriage procession through central London, flypasts and two kisses on the Buckingham Palace balcony.

Nearly 25 million people in the UK tuned in to watch the live televised ceremony, with the worldwide TV audience estimated to be two billion.

Twelve years on, the couple have three children, Prince George, nine, Princess Charlotte, seven, and Prince Louis five.

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