Prince William and Kate along with Prince George and Princess Charlotte visited Cardiff Castle in Wales.
The family met performers and crew involved in a special Platinum Jubilee Celebration Concert taking place in the castle grounds.
Prince George and Princess Charlotte also learn more about the technical production underpinning the show, including lighting, sound and visual effects, before helping with some of the final preparations for the concert...
![](https://i.ytimg.com/vi/Sjbba7SN4qE/mqdefault.jpg)