The Royal Family have led tributes to the Duke and Duchess of Sussex's son Archie on his second birthday.
Members of the royal family have wished Archie Harrison Mountbatten-Windsor, son of Prince Harry and Meghan, Duchess of Sussex, a happy birthday as he turns 2 years old.
Archie, who is seventh in line to the throne but does not have an official royal title, has lived in California with the Duke and Duchess of Sussex since they stepped back as senior members of the royal family last year.
He was born in England on May 6, 2019, weighing 7 pounds, 3 ounces.
A message shared from the official royal family Twitter account on Thursday said: "Wishing Archie Mountbatten-Windsor a very happy 2nd birthday today."
Wishing Archie Mountbatten-Windsor a very happy 2nd birthday today. 🎈
— The Royal Family (@RoyalFamily) May 6, 2021
📸 Dominic Lipinski / PA Images pic.twitter.com/dLssyrVSor
Prince William and Catherine, Duchess of Cambridge, also wished their nephew a happy second birthday on social media.
His grandfather, Charles, the Prince of Wales, and Camilla, Duchess of Cornwall, said in a Tweet on Thursday: "Happy birthday to Archie, who turns two today."
Archie Harrison Mountbatten-Windsor, pictured in September 2019 in Cape Town, South Africa, with his parents, Prince Harry and Meghan, Duchess of Sussex, turned 2 years old on Thursday.
Meghan and Harry marked their son's birthday by calling for donations to support COVID-19 vaccine equity.
"We will not be able to truly recover (from the pandemic) until everyone, everywhere, has equal access to the vaccine," the couple said in a statement on the Archewell website, a charitable organization they founded last year. "And with that intention, we are inviting you to contribute whatever you can — if you have the means to do so — to bring vaccines to families in the world's most vulnerable places."
Each donation of $5 will be matched with a further $15 by other organizations, they said.
"We cannot think of a more resonant way to honor our son's birthday."
Megan revealed earlier this week that she has written a children's book, inspired by Harry and Archie. Titled "The Bench," the 40-page illustrated book will be released on June 8 and tells the story of a "special bond" shared between a father and son, as viewed through a mother's eyes.
The Duke and Duchess of Sussex announced in February that they were "overjoyed" to be expecting their second child.
Photos: Prince Harry and Meghan's son Archie turns 2
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In this Sept. 25, 2019, file photo, Britain's Prince Harry and Meghan, Duchess of Sussex, are pictured with their son Archie in Cape Town, South Africa. (Henk Kruger/African News Agency via AP, Pool)
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In this May 8, 2019, file photo, Britain's Prince Harry and Meghan, Duchess of Sussex, are shown during a photo call with their newborn son Archie in St George's Hall at Windsor Castle, Windsor, south England. (Dominic Lipinski/Pool via AP, file)
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Britain's Prince Harry and Meghan, Duchess of Sussex, with their son Archie, meet with Anglican Archbishop Emeritus Desmond Tutu in Cape Town, South Africa, Sept. 25, 2019. The royal couple were on the third day of their African tour. (Henk Kruger/African News Agency via AP, Pool)
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In this May 8, 2019, file photo, Britain's Prince Harry and Meghan, Duchess of Sussex, pose during a photo call with their newborn son Archie in St George's Hall at Windsor Castle, Windsor, south England. (Dominic Lipinski/Pool via AP, file)
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In this May 8, 2019, file photo Britain's Prince Harry and Meghan, Duchess of Sussex, pose during a photocall with their newborn son Archie, in St George's Hall at Windsor Castle, Windsor, south England. (Dominic Lipinski/Pool via AP, File)
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In this Wednesday, Sept. 25, 2019, file photo Britain's Prince Harry and Meghan, Duchess of Sussex, pose with their son Archie in Cape Town, South Africa. (Henk Kruger/African News Agency via AP, Pool, File)
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In this Wednesday, May 8, 2019 file photo, Britain's Prince Harry and Meghan, Duchess of Sussex, pose during a photo call with their newborn son Archie, in St George's Hall at Windsor Castle, Windsor, south England. (Dominic Lipinski/Pool via AP, File)
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In this Sept. 25, 2019, file photo, Britain's Prince Harry and Meghan, Duchess of Sussex, with their son Archie, meet Anglican Archbishop Emeritus Desmond Tutu and his wife Leah in Cape Town, South Africa. (Henk Kruger/Pool via AP, File)
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Britain's Prince Harry and Meghan, Duchess of Sussex, with son Archie, meet with Anglican Archbishop Emeritus, Desmond Tutu, in Cape Town, South Africa Wednesday, Sept. 25, 2019, during their African tour. (Henk Kruger/African News Agency via AP, Pool)
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Photos: Prince Harry and Meghan through the years
Britain's Prince Harry and Meghan Markle pose for the media in the grounds of Kensington Palace in London, Monday Nov. 27, 2017. It was announced Monday that Prince Harry, fifth in line for the British throne, will marry American actress Meghan Markle in the spring, confirming months of rumors.
Britain's Prince Harry and his fiancee Meghan Markle meet a Shetland Pony as they arrive at Edinburgh Castle in Edinburgh, Scotland, Tuesday, Feb. 13, 2018. The recently engaged couple are on a one day tour to Edinburgh, and will visit the Castle and observe the firing of the One O'clock Gun.
Britain's Prince Harry and his wife Meghan Markle ride a horse-drawn carriage, after their wedding ceremony at St. George's Chapel in Windsor Castle in Windsor, near London, England, Saturday, May 19, 2018.
Prince Harry and Meghan Markle leave after their wedding ceremony at St. George's Chapel in Windsor Castle in Windsor, near London, England, Saturday, May 19, 2018.
Britain's Queen Elizabeth, Prince Harry and Meghan, Duchess of Sussex pose for a group photo at the Queen's Young Leaders Awards Ceremony at Buckingham Palace in London, Tuesday, June 26, 2018.
Britian's Prince Harry, the patron of the charity WellChild and his wife Meghan, the Duchess of Sussex meet four-year-old Mckenzie Brackley and his mother, during the annual WellChild Awards at the Royal Lancaster Hotel in London, Tuesday, Sept. 4, 2018. The couple attended the annual WellChild awards Tuesday for the charity, who help to get seriously ill children and young people out of hospital and home to their families.
Britain's Prince Harry and Meghan, Duchess of Sussex meet with a local surfing community group, known as OneWave, raising awareness for mental health and wellbeing in a fun and engaging way at Bondi Beach in Sydney, Australia, Friday, Oct. 19, 2018. Prince Harry and his wife Meghan are on day four of their 16-day tour of Australia and the South Pacific.
Britain's Prince Harry, left, and Meghan, Duchess of Sussex walk along Kingfisher Bay Jetty during a visit to Fraser Island, Australia, Monday, Oct. 22, 2018. Prince Harry and his wife Meghan are on day seven of their 16-day tour of Australia and the South Pacific.
Britain's Prince Harry and Meghan, Duchess of Sussex meet Ruby a mother Koala who gave birth to koala joey Meghan, named after Her Royal Highness, with a second joey named Harry after His Royal Highness during a visit to Taronga Zoo in Sydney, Australia, Tuesday, Oct. 16, 2018. Prince Harry and his wife Meghan are on a 16-day tour of Australia and the South Pacific.
Britain's Prince Harry and Meghan, Duchess of Sussex are embraced by Luke Vincent, 5, on their arrival in Dubbo, Australia, Wednesday, Oct. 17, 2018. Prince Harry and his wife Meghan are on day two of their 16-day tour of Australia and the South Pacific.
Britain's Prince Harry and Meghan, Duchess of Sussex stop to stroke horses in their stables during a visit to the Moroccan Royal Federation of Equestrian Sports in Rabat in Morocco, Monday, Feb. 25, 2019. The Duke and Duchess of Sussex are on a three day visit to the country.
Britain's Prince Harry and Meghan, Duchess of Sussex, during a photocall with their newborn son, in St George's Hall at Windsor Castle, Windsor, south England, Wednesday May 8, 2019.
Britain's Prince Harry and Meghan, the Duchess of Sussex attend the 91st Field of Remembrance at Westminster Abbey in London, Thursday, Nov. 7, 2019.
Britain's Prince Harry and Meghan, the Duke and Duchess of Sussex arrive at the annual Endeavour Fund Awards in London, Thursday, March 5, 2020. The awards celebrate the achievements of service personnel who were injured in service and have gone on to use sport as part of their recovery and rehabilitation.
FILE - Prince Harry and his wife Meghan speak during the Global Citizen festival, on Sept. 25, 2021 in New York. Prince Harry and his wife Meghan have visited Queen Elizabeth II at Windsor Castle on their first joint visit to the U.K. since they gave up formal royal roles and moved to the U.S. more than two years ago. The couple’s office says they visited the 95-year-old queen, Harry’s grandmother, Thursday, April 14, 2022 on their way to the Netherlands to attend the Invictus Games (AP Photo/Stefan Jeremiah, File)
Prince Harry and Meghan Markle, Duke and Duchess of Sussex, arrive at the Intrepid Sea, Air & Space Museum for the Salute to Freedom Gala Wednesday, Nov. 10, 2021, in New York. The Duke of Sussex will also present the inaugural Intrepid Valor Award to five service members, veterans and their military families. (AP Photo/Craig Ruttle)
Prince Harry and Meghan, the Duke and Duchess of Sussex are escorted as they leave the United Nations headquarters after a visit during 76th session of the United Nations General Assembly, Saturday, Sept. 25, 2021. (AP Photo/Mary Altaffer)
Prince Harry and Meghan Markle, Duke and Duchess of Sussex, hug Lisa Johnston, a former army medic and amputee, who celebrates with her medal at the Invictus Games venue in The Hague, Netherlands, Sunday, April 17, 2022. The week-long games for active servicemen and veterans who are ill, injured or wounded opened Saturday in this Dutch city that calls itself the global center of peace and justice. (AP Photo/Peter Dejong)
Prince Harry and Meghan Markle, Duke and Duchess of Sussex, kiss during the opening ceremony of the Invictus Games venue in The Hague, Netherlands, Saturday, April 16, 2022. The week-long games for active servicemen and veterans who are ill, injured or wounded opens Saturday in this Dutch city that calls itself the global center of peace and justice. (AP Photo/Peter Dejong)
