LIVE Royal Family LIVE: King Charles entertains thousands of guests at garden party after ‘snubbing’ Prince Harry

Other notable guests included his cousin Louis Spencer, the Prime Minister’s wife Akshata Murty and his lawyer David Sherbourne. Former army officer Mark Dyer, who helped mentor Harry, was also there.

As he left the cathedral on a balmy evening in the capital, the Californian-based royal greeted large crowds.

He was heard asking two fans from New York what had brought them to the UK. When they responded they were here for a wedding, the Prince jokingly asked it was ‘in there?’ referring to St Paul’s Cathedral.

The Duke joked around with one enthusiastic royal fan who had her arms outstretched with two phones to try and get the best shot of Harry.

‘Why have you got 2 phones?’ he laughed, ‘it doesn’t make sense!’

Hundreds of people had joined the crowd that was tightly guarded by police officers.

Shouts of ‘we love you Harry’ could be heard as the Prince did his walkabout, while others screamed with excitement until Harry got into a Land Rover and drove off.

It is not known where Harry is staying while in Britain as he now has no official home after being asked to leave