From the Mirror archives

March 22, 1985

A smiling Diana, Princess of Wales is pictured with a six-month-old Prince Harry on their way to the Queen’s residence at Balmoral Castle in Scotland for a family break. It was the first photo of Diana and Harry, born on September 15, 1984, since the official christening pictures the previous Christmas. Diana often said she and Prince Charles were at their happiest around the time their second son was born.