Prince Harry celebrated his 35<sup>th birthday on Sunday, and his wife Meghan Markle had her own way of making it extraordinary and special for him.

The Duchess of Sussex took to the couple's popular Instagram account to post a heartfelt birthday message for her husband. The official account posted a grid of pictures that includes photos from Prince Harry's childhood, wedding, their baby's christening, and other important events in his life. The collage showcases pictures of the prince with his late mother Princess Diana, brother Prince William, wife and baby Archie.

According to Vogue, the picture with his son in the collage is a never-before-seen picture from the day of the baby's christening. It shows the royal lovingly kneeling down in front of his wife and the new-born son to share an intimate moment. Another picture shows Harry in uniform probably from the days when he was serving the British military.

The caption on the photo sends out a loving message from the Duchess of Sussex praising him from being "the best husband" and the "most amazing dad."

"Wishing a very happy birthday to His Royal Highness Prince Harry, The Duke of Sussex! A birthday message from The Duchess of Sussex reads. "Your service to the causes you care so deeply for inspires me every day. You are the best husband and most amazing dad to our son. We love you. Happiest birthday!"

Meanwhile, Prince William and Kate Middleton also made sure to send out a beautiful birthday message with an adorable picture of the two brothers. "Wishing a very happy birthday to The Duke of Sussex today!" Kensington Palace captioned the picture.

An endearing picture of Harry with the queen was shared on the official account of The Royal Family.

🎉 Happy Birthday to The Duke of Sussex – 35 today! #HappyBirthdayHRH

— The Royal Family (@RoyalFamily) September 15, 2019

Harry, the Duke of Sussex, is the younger son of Prince Charles and Princess Diana. He married Markle in 2018 and was blessed with a baby boy Archie Harrison, in May. As a member of the British Royal Family, he has combined his royal and charitable duties with public service work. He served in the British Armed Forces for 10 years before returning to his royal duties.

meghan markle
Loved-up: Prince Harry and his fiancee Meghan Markle arrive to a walkabout at Cardiff Castle on January 18, 2018 in Cardiff, Wales Getty

Recently, Harry attended the celebration of the fifth anniversary of Invictus Games, an international adaptive multi-sport event that he founded and created for wounded, injured, or sick men and women from the armed services. The tournament allows veterans to participate in nine sports such as wheelchair basketball, sitting volleyball, and indoor rowing.