OHMYGOSSIP — The Duke and Duchess of Sussex have wished Prince Philip a “very happy birthday” on Instagram. Prince Harry and Duchess Meghan have sent their well-wishes to Harry’s grandfather on his 98th birthday, affectionately referring to the Duke of Edinburgh as “grandpa”. The couple – who became parents to their first son Archie last month – shared two photos of Philip, one of him besides Harry and another showing a younger version of the royal dancing with his wife, Queen Elizabeth II. They wrote: “Wishing His Royal Highness The Duke of Edinburgh, Sir, Grandpa a very Happy 98th Birthday!” Their birthday message has been liked 184,000 times and royal fans have gushed over the pair’s special post. One wrote: “Love, love the second picture! He makes the Queen so happy. Happy Birthday Prince Philip (sic)” Another said: “A wonderful man! Happy birthday sir” A third commented: “Happy birthday and best wishes to His Royal Highness the Duke of Edinburgh! Long live the Prince. 98th is a blessing. (sic)” Harry, 34, and Meghan, 37, weren’t the only ones to celebrate the occasion with his brother Prince William and sister-in-law Duchess Catherine also sharing touching tribute on the Kensington Royal Instagram account that read: “Wishing a very Happy 98th Birthday to His Royal Highness The Duke of Edinburgh!” The duke’s granddaughter Princess Eugenie also posted a message online, writing: “Happy Birthday to HRH The Duke of Edinburgh. “I found a couple of classic photographs of Grandpa and I on Christmas Day and Trooping the Colour a few years ago now.” The Royal Family’s official Instagram account also shared a birthday message, posting photos of the senior royal at Lady Gabriella Windsor and Thomas Kingston’s wedding this year and photographed in 1953 – 66 years ago.