Princess Charlotte's new 10th birthday portrait by Kate Middleton reflects her resemblance to her father, Prince William. See the side-by-side photos of the father and daughter at the same age.

Princess Charlotte just turned 10, and Prince William and Princess Kate are celebrating their daughter with a new photo of the British heir.

Before even becoming a royal, it is believed Kate enjoyed hiking and adventurous holidays as a child with her parents Michael and Carole Middleton, alongside her siblings Pippa and James. In The Sunday Times, James once fondly reminisced on the family trips.