Most Popular Prince / Princess?

[Blog Real]

Most popular member of each royal family:

Spain: Queen Sofia and King Felipe VI
United Kingdom: Queen Elizabeth and then the Dukes of Cambridge
Netherlands: Queen Maxima
Belgium: Perhaps King Philippe and Queen Mathide?
Luxembourg: I am not sure but the Grand Dukes Heirs Guillaume and Stéphanie would say.
Denmark: Queen Margrethe II, Princess Mary and Prince Frederik
Norway: I think the most popular are King Harald V and Prince Haakon.
Sweden: Princess Victoria

Monaco: I'm not sure
Liechtenstein: I am not sure.