Rare images of Queen Elizabeth have been released as celebrations to mark the monarch's 90th birthday continue with a star-studded show in the grounds of Windsor Castle.
![The picture shows Princess Elizabeth swimming with her father King George V.](https://www.nzherald.co.nz/resizer/v2/RNJ2V4W4N3V23OF2G5NK6WHULA.jpg?auth=e0566f3f938fdaba6e8eba4900d3cbcbb0c3a64e7fbad560646d40b996dd4f03&width=16&height=11&quality=70&smart=true)
One of the images from archive footage shows a young Princess Elizabeth ready to go for a swim with her father.
Read more: Royals welcome new (furry) addition
With her arms outstretched and a beaming smile, the future Queen stands alongside George VI on the edge of an outdoor swimming pool, ready to take a dip.