In this special edition of the Global News Podcast, we're talking about 'tiara diplomacy'.

Britain is hosting an unprecedented second state visit for the President of the United States, expected to be full of pomp and pageantry.

It’s set to be a charm offensive of royal proportions, an invitation extended by the UK Prime Minister Keir Starmer during his meeting with Mr. Trump in February.

Joining Celia Hatton with their analysis and expertise are the BBC's security correspondent Frank Gardner, royal correspondent Charlotte Gallagher, UK political correspondent Rob Watson, and former senior North America correspondent John Sudworth.

Can King Charles charm his often unpredictable guest at Windsor Castle?

And what does this mean for US-UK relations?

Producer: Harry Bligh