Prince William and Princess Kate's youngest son, Prince Louis, celebrated his sixth ... while for his second birthday, Princess Kate dressed him in a blue and white gingham number.

The first photo showed Louis being pushed in a wheelbarrow by his mom and the second was a smiling closeup of the young prince. "Someone's turning 5 tomorrow… 拾 A very happy birthday to ...

The third in line to the Grand Duchy of Luxembourg celebrates his 2nd birthday today, and rare photographs show that Prince ...

The son of Prince Carl Philip and Princess Sofia has often drawn comparisons to the British prince for their exuberant ...

This is Prince Louis, the youngest child of the Duke and Duchess of Cambridge, and younger sibling to Prince George and Princess Charlotte. The royal became famous for looking "royally unimpressed ...

Born His Royal Highness Prince Louis Arthur Charles of Cambridge, Louis is the third and youngest child of Prince William and Princess Kate, and the younger brother of Prince George and Princess ...