Coming Friday the Norwegian heridity princess Ingrid-Alexandra will have her (belated) 18th birthday dinner
From the Netherlands the king, queen and princess of Orange will attend, from Belgium the queen and the duchess of Brabant and from Luxembourg the heridity grand duke and - duchess will attend.

This will be for both the princess of Orange and the duchess of Brabant their first public white tie event so also the first time we'll see them with tiaras.

later this month the diplomatic dinner will be held in the Netherlands with the royal couple, princess Beatrix, Princess MArgriet and Pieter attending.
And on June 27th the Duth king and queen will pay a state visit to Austria with a state banquet at the Belvedere palace.
So at least from the Dutch court we'll see some more tiara's!