The Queen has sat for 129 portraits during her 60 year reign.
Here is a look at some of them.
The Queen was a young princess when she first sat for the royal photographer Cecil Beaton in 1942 and he photographed her on many occasions, most memorably on her Coronation Day in 1953.
The National Portrait Gallery is currently displaying images of The Queen across 60 years of her reign in the exhibition: The Queen: Art and Image.
It includes the iconic portrait of Queen Elizabeth II painted by Pietro Annigoni of Florence which has gone on public display for the first time in 26 years.
The exhibition also includes a photograph of Her Majesty taken by Dorothy Wilding in 1952.
In 2004, as part of Jersey’s celebration of its 800-year relationship with the monarchy, Chris Levine was commissioned to make a holographic portrait of the Queen.
Over 10,000 images of the Queen were taken at Buckingham Palace over two sittings and the title works Equanimity and Lightness of Being have been widely acclaimed worldwide.
Rolf Harris unveiled his impressionistic portrait of Queen Elizabeth II at the Queen's Gallery, Buckingham Palace in 2005.
The entertainer painted the image to mark the monarch's 80th birthday .
The Queen's official Diamond Jubilee portrait was taken in the Centre Room in Buckingham Palace in December 2011 by John Swannell.