Getting insight into life behind the Palace doors is always exciting for royal fans. Whether it's through dramatisations like 's that fans are hoping , books like 's memoir , or just little tidbits here and there like the one an expert recently reveals concerning , and ’ strict . It's rare that the royal themselves share much about their home lives, understandably wanting privacy over the more precious family moments that punctuate their history.

But royal fans are in for a treat as Buckingham Palace has today [17 May] released a series of never-before-seen photos of the royals. In an exhibition titles The Royal Collection Trust will put some unreleased photos and portraits on display in Buckingham Palace for the public to come and see - and our favourite is undoubtedly the shot of Queen Elizabeth and her sister Princess Margaret both holding their . In the image, we can see Queen Elizabeth, Princess Margaret, Princess Alexandra, and the then-Duchess of Kent all smiling at the camera as they lovingly hold their babies.

The photo was taken in 1964 by Princess Margaret's husband, Antony Armstrong-Jones, and was sent to Sir John Peel who had delivered all four children within two months of each other. The babies in the photos are the late Queen's son Prince Edward and Princess Margaret's daughter, Lady Sarah who is one of . The sweet picture is just one of more than 150 that will feature in the exhibition of photos and other items taken from the Royal Collection and Royal Arch.