The Princess of Wales has teased a “special duet” to feature in her “Together at Christmas” carol service on Wednesday (24 December).
Kate and Prince William’s Kensington Palace social media accounts posted a video showing an adult hand playing the piano, before a second hand moves into the shot.
Royal fans have speculated that the duet will be between Kate and Princess Charlotte.
Royal Carols: Together at Christmas will be shown on Christmas Eve at 7:25pm on ITV and ITVX.