Queen Elizabethis celebrating her 93rd birthday with some help from her family!The British monarch’s grandson Prince Harry put hisnew Sussex Royal Instagram accountto good use Sunday, sharing a sweet birthday message from him and wifeMeghan Markle.“Happy Birthday Your Majesty, Ma’am, Granny,” the post read. “Wishing you the most wonderful day! 🎈Harry & Meghan.”The Duke, 34, and Duchess of Sussex, 37, shared a slideshow of photos along with the note, including a black-and-white photo of the queen in her younger days, several shots of her with Harry throughout the years, and one of her and Meghan, who isjust days away from giving birth, laughing at theirfirst royal engagement together.Meanwhile, Harry’s brotherPrince William, 36, and wifeKate Middleton, 37, the Duke and Duchess of Cambridge, shared a birthday tribute to the queen on their own Kensington Royal Instagram account.“Wishing a very happy 93rd birthday to Her Majesty the Queen!” the message read.The post included a photo of the Queen, her husbandPrince Philip, and the Duke and Duchess with two of their children,Prince George, 5, andPrincess Charlotte, 3 (The shot was taken prior to thebirth of Prince Louislast year).Can’t get enough of PEOPLE’s Royals coverage?Sign up for our newsletterto get the latest updates onKate Middleton,Meghan Markleand more!The Queen’s sonPrince Charles, the Prince of Wales, and wifeCamilla, the Duchess of Cornwall, also used social media to celebrate, wishing the monarch a happy birthday on their Clarence House account.“Happy 93rd birthday to Her Majesty The Queen,” the message read. “#HappyBirthdayHerMajesty #QueensBirthday.”The accompanying slideshow included a pair of candid shots of the queen holding a dog in her arms and having her hand kissed, as well as snaps with the Prince and Duchess.David Fisher/ShutterstockThe Queen spent her birthday morning keeping up her tradition ofattending the Easter Matins Serviceat St. George’s Chapel in Windsor Castle alongside many of her royal family members, including William, Kate and Harry.The royal chose a light blue suit along with a matching hat with a vibrant pink ribbon tied around it for her big day.Missing from the festivities were Meghan and the Queen’s 97-year-old husband, who became thethird oldest royal in British historythis week, as well as Kate and William’s three children.Queen Elizabeth.Eamonn M. McCormack/Getty ImageOf course, after Sunday the Queen’s birthday celebrations will be far from over, as the monarch hastwo birthdays.While the Queen, who was born on April 21, 1926, typically celebrates her actual birthday privately, it’s also customary to celebrate a sovereign’s birthday publicly on a day during the summer, when the weather is nicer (yes, really).King Edward VII, for example, was born on November 9, but his official birthday was always celebrated in May or June, when there was a greater likelihood of good weather for the Birthday Parade (also known asTrooping of the Colour).The annual ceremony is typically held on the second Saturday in June.

Queen Elizabethis celebrating her 93rd birthday with some help from her family!

The British monarch’s grandson Prince Harry put hisnew Sussex Royal Instagram accountto good use Sunday, sharing a sweet birthday message from him and wifeMeghan Markle.

“Happy Birthday Your Majesty, Ma’am, Granny,” the post read. “Wishing you the most wonderful day! 🎈Harry & Meghan.”

The Duke, 34, and Duchess of Sussex, 37, shared a slideshow of photos along with the note, including a black-and-white photo of the queen in her younger days, several shots of her with Harry throughout the years, and one of her and Meghan, who isjust days away from giving birth, laughing at theirfirst royal engagement together.

Meanwhile, Harry’s brotherPrince William, 36, and wifeKate Middleton, 37, the Duke and Duchess of Cambridge, shared a birthday tribute to the queen on their own Kensington Royal Instagram account.

“Wishing a very happy 93rd birthday to Her Majesty the Queen!” the message read.

The post included a photo of the Queen, her husbandPrince Philip, and the Duke and Duchess with two of their children,Prince George, 5, andPrincess Charlotte, 3 (The shot was taken prior to thebirth of Prince Louislast year).

The Queen’s sonPrince Charles, the Prince of Wales, and wifeCamilla, the Duchess of Cornwall, also used social media to celebrate, wishing the monarch a happy birthday on their Clarence House account.

“Happy 93rd birthday to Her Majesty The Queen,” the message read. “#HappyBirthdayHerMajesty #QueensBirthday.”

The accompanying slideshow included a pair of candid shots of the queen holding a dog in her arms and having her hand kissed, as well as snaps with the Prince and Duchess.

David Fisher/Shutterstock

100th Anniversary of the Royal Air Force, Westminster Abbey, London, UK - 10 Jul 2018

The Queen spent her birthday morning keeping up her tradition ofattending the Easter Matins Serviceat St. George’s Chapel in Windsor Castle alongside many of her royal family members, including William, Kate and Harry.

The royal chose a light blue suit along with a matching hat with a vibrant pink ribbon tied around it for her big day.

Missing from the festivities were Meghan and the Queen’s 97-year-old husband, who became thethird oldest royal in British historythis week, as well as Kate and William’s three children.

Queen Elizabeth.Eamonn M. McCormack/Getty Image

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Of course, after Sunday the Queen’s birthday celebrations will be far from over, as the monarch hastwo birthdays.

While the Queen, who was born on April 21, 1926, typically celebrates her actual birthday privately, it’s also customary to celebrate a sovereign’s birthday publicly on a day during the summer, when the weather is nicer (yes, really).

King Edward VII, for example, was born on November 9, but his official birthday was always celebrated in May or June, when there was a greater likelihood of good weather for the Birthday Parade (also known asTrooping of the Colour).

The annual ceremony is typically held on the second Saturday in June.

source: people.com