A crowned man in his underwear stands outside Waterstones bookstore in London's Piccadilly Circus as the shop reveals a special window for the newly-released children's book "The King's Pants" by Nicholas Allan. It tells the story of a king not being able to find special pants for the big ceremony.

The shop dedicated its window to the promotion of the book ahead the coronation of King Charles III and Queen Camilla which will take place on May 6.

The footage shows the funny actor standing by the entrance as Allan decorates the window.

London bookstore Waterstones reveals coronation window @King’s Pants” with a naked king. Window decoration was painted by the award winning author and illustrator Nicholas Adam as it was being revealed to press.