I remember it's from 2006. They posed exclusively for a magazine to promote the anniversary of the PoA but there was a lot of backlash from the press for singling out one outlet. It was the first and the last time they did this.
17 DECIEMBRE 2003
The prince of Asturias and his betrothed, Dońa Letizia Ortiz, moved over the weekend to London, where they met with a group of friends. The couple stays at a hotel and also enjoys their stay in the city of Thames to stroll through its streets, dressed in Christmas, and do some shopping.