Royal diary: What's coming up this week

Including a joyful family occasion for the Waleses

Louis turns six! Getty

It has been a difficult few months for the royal family, but this week will see them mark a special family occasion.

I can't believe I'm writing this, but the Prince and Princess of Wales will celebrate Prince Louis' sixth birthday – time flies!

There's quite a jam-packed diary as the royals pick up the pace ahead of the busy spring/…