Royals fans have one hope as Prince Louis set to mark sixth birthday
![Royals fans have one hope as Prince Louis set to mark sixth birthday](https://i2-prod.birminghammail.co.uk/incoming/article28872501.ece/ALTERNATES/s615/2_JS305625142.jpg)
The youngest of William and Kate's children hasn't been seen in public since Christmas Day
The youngest of William and Kate's children hasn't been seen in public since Christmas Day