In celebration of Princess Charlotte's first birthday on May 2, her mother, the Duchess of Cambridge shared photos of her through Twitter.

Kensington Palace said that, "The duke and duchess are very happy to be able to share these important family moments and hope that everyone enjoys these lovely photos as much as they do," according to BBC News.

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It was revealed that Princess Kate personally captured the photos at their home in Norfolk in April. One of them showed a close-up shot of Princess Charlotte walking while pushing a wooden building bricks trolley.

Princess Charlotte was also photographed while playing at their home in blue and pink outfits with matching hair bow. The post also included a still of Prince George cradling his then five-weeks-old baby sister at Anmer Hall.

According to a source from the palace, "Turning one is an important family milestone, and the family is happy to share these pictures."

Although the royal couple gave their fans a surprise, Princess Charlotte's first birthday will be celebrated "privately" on Friday with her family. Luckily, her special day also falls on a UK public holiday.

The royal family has been sharing adorable photos of Princess Charlotte before her first birthday hits and the most recent was one of her sitting on her great-grandmother Elizabeth II on her 90^th birthday.

Meanwhile, as her special day approaches, the Duchess of Cambridge will get have a helping hand from Prince George.

According to the royal couple's maternity nurse, Sarah Dixon, "George will enjoy all the birthday festivities, and I'm sure there will be a few of his friends invited too."

"He'll help Charlotte open all her gifts - older siblings love to do that," she continued.

Tagsprincess charlotte, Duchess of Cambridge, Princess Kate, Prince William, Prince George, Duke of Cambridge, Princess Charlotte Birthday