Commemorative stamps celebrating the wedding of Prince William and Kate Middleton. The stamps are produced by Royal Mail with the approval of the monarch and involvement from William, the stamps feature William and Kate's official engagement portraits taken by fashion and celebrity photographer Mario Testino.

The £1.10 stamp shows a formal portrait of William and Kate in the Council Chamber of St James's Palace, while the 1st Class stamp shows the couple in the Palace's Cornwall room.

The stamps were sold out within hours of its official release on April 21, 2011, just over a week before the big day.