Kate Middleton and Princess Charlotte often wear coordinating outfits at public events, from Prince Harry and Meghan Markle's ...

Mother and daughter performed the piece at Windsor Castle, Kate playing with just her left hand, and Charlotte playing with ...

The Princess of Wales was spotted sharing a sweet moment with Mia Tindall - daughter of Mike and Zara Tindall - after the ...

Princess Charlotte joined Princess Kate for a royal duet on Christmas Eve as part of the special "Royal Carols: Together at ...

Just hours after Kate Middleton and Princess Charlotte's surprise piano duet aired, the mom and daughter joined the royal ...

Kate Middleton and Princess Charlotte shared a heartwarming piano duet at the "Together at Christmas" carol service, playing ...

The Princess of Wales and Princess Charlotte shared a surprise (and poignant) moment at the royal Christmas carol service.

THIS is the hilarious moment The Princess of Wales teasingly scolds a royal well wisher for eating “too many mince pies” ...

Princess Catherine has made a rare comment about her eldest son this week during the Christmas Day walkabout. The Princess of ...

Princess Catherine left royal fans stunned by the price tag attached to her festive look. The Princess of Wales was spotted ...

Princess Charlotte looked so sweet in a mini-me copy of her mum, Princess Kate's 14-year-old look, as she stepped out at ...

Keen royal watchers were quick to draw comparisons to a similar brown-and-tan Catherine Walker design worn over a decade ago ...