<p><br /> A video of Queen Elizabeth II aged just four years old has been released ahead of the opening of a new exhibition at Windsor Castle.<br /> </p><p><br /> Taken at the studio of child photography Marcus Adams, the video shows the then Princess Elizabeth being entertained before a photo shoot in January 1931.<br /> </p><p><br /> The young Princess is seen giggling as Mr Adams places coins on his forehead and nose to amuse her.<br /> </p><p><br /> He was the Royal Photographer between 1926 and 1956, taking photos of two generations of Royal children.<br /> </p><p><br /> This is being released to coincide with a new publication and exhibition at Windsor Castle, Marcus Adams: Royal Photographer, which opens from Saturday.<br /> </p>
