Kate Middleton and Princess Charlotte joined the royal family on Christmas, just hours after their special piano performance ...

Princess Charlotte and Kate Middleton—who went into remission from cancer earlier this year—put their piano skills on display with a performance on ITV's Royal Carols: Together at Christmas Dec. 24.

This year's Together at Christmas special was filmed at Westminster Abbey on Dec. 5 and will air on ITV the night of ...

Princess Kate Middleton’s annual “Together at Christmas” carol service featured an extra-special performance. Kate, 43, and ...

The service was held at Westminster Abbey, with William and Kate joined by Prince George, Princess Charlotte and Prince Louis ...

The mother-daughter duo taped a performance inside Windsor Castle for the television broadcast of the Princess of Wales’s ...

Mother and daughter shared a touching Christmas piano duet, highlighting values of love, connection, and tradition during the ...

Scottish composer Erland Cooper, who wrote the piece of music that the Princess of Wales performed with her daughter at the ...

Kate Middleton and Princess Charlotte made a surprise appearance playing a duet during the annual "Together at Christmas" ...

Kate Middleton and Princess Charlotte performed an endearing piano duet of Holm Sound by Erland Cooper at the annual ...

Kate Middleton and Prince William’s daughter Princess Charlotte joined her mother the Princess of Wales for a special piano ...

A video of Kate Middleton, the Princess of Wales, and her daughter, Princess Charlotte, came as a sweet surprise for the fans. In a Christmas message from the royal household, the mother and daughter ...