Britain's Duke and Duchess of Cambridge visit Northern Ireland today (14.06.16) without Prince George and Princess Charlotte.

Duke and Duchess of Cambridge with Prince George and Princess Charlotte

Duke and Duchess of Cambridge with Prince George and Princess Charlotte

The two-year-old son and 13-month-old daughter of the royal couple will stay at home as their parents embark on their first outing to the country as a married couple.

Prince William and his 34-year-old wife are guests of honour at the Secretary of State's annual garden party at Hillsborough Castle and will be greeted with a 63-piece Ulster Orchestra.

But fans of Prince George and Princess Charlotte will be left dissapointed if they hoped for them to visit Northern Ireland for the first time, as the little ones have been left at home on this occasion.

The latest royal visit comes following a weekend of celebrations for the Queen's 90th birthday, where Princess Charlotte made her Buckingham Palace balcony debut.

The little tot and her brother joined senior members of the royal family to watch the RAF flypast after Trooping the Colour on Saturday (11.06.16).

covered her ears to shield herself from the noise, and seemed to be teething as she was frequently seen chewing on a finger as she gathered with her relatives to mark her great-grandmother Queen Elizabeth's official 90th birthday.

While Charlotte seemed unimpressed by the occasion, George - who donned blue shorts and a white shirt with blue lining, which his father previously wore to his brother Prince Harry's christening in 1984 - had a great time.

Speaking to a well-wisher as she greeted the crowds on The Mall at the Patron's Lunch on Sunday (12.06.16), Catherine said: "I've honestly never seen him so excited. His face lit up."