|What better way to bring a group of friends together than with a trip to the mountains? His sons aren’t the only people Prince Charles takes to his favourite haunt of Klosters – other guests have also included everyone from old friend Piers von Westenholz, and his two teenage daughters, to Tara Palmer-Tompkinson and her parents.
Wills also tends to bring pals along on the winter sports outings. Captain Harry Legge-Brouke, William van Cutsem and Mark Tomlinson have all accompanied him on past excursions to the Swiss Alps.
The younger generations of the Greek and Spanish royal families – Spain's Queen Sofia was born a Greek princess – have also opted for joint ski holidays, sharing time on the slopes and taking sightseeing breaks on the streets of Gstaad.
A young Prince Harry joins his father plus Tara and Santa Palmer-Tompkinson on a Klosters lift