Three pictures never seen before of the Queen have been released as celebrations to mark her 90th birthday continue.

One of the images, a colour photo, shows a smiling Princess Elizabeth with her sister and father King George VI.

Princess Margaret and George VI are each holding one of the Queen’s beloved corgis.

Queen rare archive footage

Princess Elizabeth with her father King George VI. Pic: HM The Queen

The second black and white image shows young Princess Elizabeth ready to swim with her father.

The third photo shows her looking at a bird while it rests on her arm.

The images, from archive footage, are not dated.

Queen rare archive footage

The Queen in a photo of her with a bird on her arm. Pic: HM The Queen

They have been released ahead of a gala show tonight, which will look back on the Queen’s reign, featuring celebrities including Gary Barlow and Kylie Minogue in the grounds of Windsor Castle.