The royal family marked the birthday of Kate Middleton and Prince William's youngest child with a sweet new photo.

The photo was taken by Princess Kate in Windsor in the last few days, PEOPLE understands. It came with a simple message from the proud parents: "Happy 6th Birthday, Prince Louis! Thank you for all ...

"Happy 6th Birthday, Prince Louis! Thank you for all the kind wishes today," read the caption from Prince William and Princess Kate, with photo credit to the Princess of Wales. Why Kate Middleton ...

Sneek peek,” Porsha captioned a video of her Georgia backyard’s incredible transformation. “It’s going down PJ’s birthday loading.” Get a look at PJ's 6th birthday ...

The reality TV star and serial entrepreneur have been co-parenting their 6-year-old since their split in 2019.