Prince William revealed Princess Charlotte’s favourite joke this morning during a surprise school visit on a day of engagements in the West Midlands.
The future King dropped in on Freddie Hadley, 12, St Michael’s Church of England High School in Rowley Regis, Sandwell, after the youngster wrote to the Prince of Wales last year inviting him to see their mental health initiatives.
During the visit, the Prince joined Freddie and his classmates for a segment on the school’s radio station,