The 42-year-old future king arrived in St. Peter’s Square just after 9:30 a.m. local time without his wife Kate Middleton.

Prince Louis celebrated his birthday on Wednesday after a roller-coaster year dominated by his mother's cancer treatment.

Prince William and Kate, the Princess of Wales, may hold the titles of Britain's future king and queen, but the couple's most important role is as parents to their three children, Princes George and ...

The picture was released on the Prince and Princess of Wales's social media accounts, showing Louis sitting on a tree trunk.

Prince Louis' seventh birthday has been marked with the release of a new picture of the young royal, showing the youngster ...

Prince Louis' personality takes center stage in a new video of him released by Kate Middleton and Prince William for Louis' ...

Prince Louis' new birthday portrait included a royal first for the little prince! All about what Prince Louis wore and its deeper meaning.

Prince Louis was filmed leaping off a log and pressing his face up against the camera during his seventh birthday portrait ...

The Prince and Princess of Wales have released a new picture of Prince Louis to mark his seventh birthday, with the young ...

"Wishing Prince Louis a very Happy 7th Birthday!" the Prince and Princess of Wales wrote alongside the photo of their ...

Prince Louis is turning seven years old and the cheeky royal has provided plenty of memorable moments over the years ...

In the family, they call him "Lou Bug". Among fans of the royal family, he is known as the "mischievous prince". Certainly, ...