Pupils at a Cardiff high school had a huge shock ... He walked out and as you can imagine, everyone was absolutely blown away. The atmosphere was amazing," he said. Before making his way to ...

and headteacher Mr Adam Lear said that most pupils and staff thought they were the only special guests. However, half-way through the assembly, Mr Lear walked in with Ed behind him. "It was incredible ...

Pupils at school in Cardiff were greeted with ... He walked out and as you can imagine, everyone was absolutely blown away. The atmosphere was amazing," he said. Ed had already surprised 80 ...