Si prospera la petición de la empresa, los demandantes, como el príncipe, podrían tener que cubrir hasta 18,3 millones de libras de su propio bolsillo.

Prince Harry and six other famous faces are potentially facing paying millions of pounds in costs after their doomed legal claim against the Daily Mail, which they roundly lost.

The court heard there was a shortfall between their insurance cover and costs which are more than £34 million