The Princess of Wales’ Christmas Day outfits are always impeccable, and her first debut as the wife of Prince William was no exception. See the royal’s first ever look worn to join the royal family on a walkabout in Sandringham The Princess of Wales’ Christmas Day outfits are always impeccable, and her first debut as the wife of Prince William was no exception. See the royal’s first ever look worn to join the royal family on a walkabout in Sandringham