The King has marked his 77th birthday with a new portrait from the Sandringham Estate.
Dressed in an open-necked shirt with a jacket and brogues while leaning gently on his shepherd's crook, Charles posed for the picture by photographer Millie Pilkington.
The Royal Family wrote on Instagram: "77 today! Thank you for the kind words and well wishes on His Majesty's Birthday."
The Prince and Princess of Wales wished Charles happy birthday on social media, saying: "Happy Birthday to His Majesty The King!"
King Charles has marked his birthday with a new portrait from Sandringham
|INSTAGRAM / THE ROYAL FAMILY
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The King is celebrating his birthday with a trip to Wales, where he will meet homegrown stars from the worlds of heritage, art and culture.
Charles and Camilla will visit South Wales, where his birthday will be marked with a reception at Cyfarthfa Castle near Merthyr Tydfil.
Actress Ruth Jones, fashion designer Julien Macdonald and representatives from the Laura Ashley Foundation will be among the guests.
Individuals from the couple's patronages, including The King's Trust and the Royal Osteoporosis Society, and local businesses will also attend the community reception.
King Charles will spend his birthday in South Wales
| GETTYLATEST DEVELOPMENTS
The new photo from Sandringham comes as the monarch personally oversaw a "remarkable" three-year restoration project that has transformed the gardens.
The 77-year-old took over the running of the 20,000-acre estate from his late father, Prince Philip, in 2017.
Charles helped with the steady change, introducing a flock of 3,000 sheep, providing natural fertiliser, new trees, and crops.
He said in 2020: "It has always seemed to me somewhat logical to embrace a farming system that works with nature and not against her."
King Charles has done extensive work on the Sandringham Estate since becoming monarch | GETTYThe king employs a team of 15 full-time gardeners at the estate and has recently supported them with a 400-yard-long "magnolia walk", planted with dozens of different varieties.
The gardens were initially laid out "on an imperial scale" by Edward VII in the 1900s.
Some 50 years on, most of the formal gardens were abandoned until their resurrection by the King and his team, which he described as "little short of miraculous".
Charles told Country Life magazine: "The scale, the speed and the importance of what he has already achieved cannot be overemphasised."
King Charles and Queen Camilla will be marked with a reception at Cyfarthfa Castle
| GETTYCountry Life editor-in-chief Mark Hedges said: "Over the past three years, His Majesty The King has overseen a remarkable restoration of the gardens at Sandringham, reviving historic landscapes, reimagining formal parterres and creating new spaces of reflection and natural beauty for visitors to enjoy.
Andrew Mountbatten-Windsor, the King's younger brother, will be among those able to enjoy the newly restored gardens when he relocates to a private property on the Sandringham estate in the new year.
Upon being stripped of his titles, the disgraced royal agreed to move out of Royal Lodge in Windsor.
The gardens are usually open to the public from April to October.
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