Celebrities including Adele, Sir Michael Caine, Felicity Kendall and Jenson Button are supporting Face Britain, the UK's largest ever mass collaborative art project.

They have contributed self-portraits to be sold in an eBay auction (May 3-13) to raise funds for The Prince’s Foundation for Children and the Arts. In addition to the online auction, artists including Tracey Emin and Quentin Blake are contributing artworks and self-portraits to go under the hammer at Christie's, May 9.