Rather than a formal arrival in a royal car, the princess stepped off the bus with the primary school class as they pulled up at the National Portrait Gallery. The children were visiting a trail around the gallery encouraging them to think about their emotions, linked to Catherine's early years education project, Shaping Us.

The Princess of Wales took a school bus to the National Portrait Gallery with a group of young children and joined them on an interactive trail exploring their emotions through paintings. Kate adopted the role of a surrogate mum and held hands with some of the four and five-year-olds as she stepped off the minibus with the reception class pupils,