"Wishing Archie Mountbatten-Windsor a very happy 3rd Birthday!" the Queen wrote Erin Hill is the Senior Editor, Royals at PEOPLE. She has reported on Royals for the brand since 2015. Erin ...

Another wrote: “Happy 5th birthday cute lovely baby HRH Prince Archie.” A third said: “Happy 5th Birthday Prince Archie of Sussex. Wishing you an amazing day, full of love and laughter.” ...

While Prince Harry and Meghan didn't share any new updates for Archie's third birthday, he received well wishes on social media from the royal family. Can't get enough of PEOPLE's Royals coverage?

Prince Harry, 40, and Meghan Markle, 43, are raising two children – Prince Archie, five, and Princess Lilibet, three – in Montecito, California, and while they have generally kept insights ...