Fans are convinced Princess Charlotte is joining Kate Middleton for a piano duet. There's a major clue in a video the palace just uploaded to Twitter. Kate's annual Christmas concert, Royal Carols: ...

Princess Kate was joined by a special surprise guest during a holiday piano duet that aired on British television on Christmas Eve. Princess Kate's 10-year-old daughter, Princess Charlotte, played the ...

Princess Charlotte, 10, and mom Kate Middleton performed a special, one-handed Christmas Eve piano duet that shows how talented they are! During the filmed song, the mother-daughter duo shared a sweet ...

LONDON, United Kingdom — Britain's Princess Catherine and her daughter Charlotte have teamed up to perform a piano duet in a prerecorded clip for a Wednesday replay of a Christmas carol service.

Kate Middleton, the Princess of Wales, surprised her fans this Christmas by teaming up with her daughter, Princess Charlotte, for a special piano performance. At her annual "Together at Christmas" ...