Why are grace kellys films banned in monaco?

Question

Why are grace kellys films banned in monaco?

Answer 1

Her movies were banned in Monaco by order of Prince Rainier of Monaco.

Answer 2

Once she married Rainier it was considered beneath a princess of Monaco to be in films and they were banned. Even when Grace wanted to try and return to acting that to was banned as it was "common"

Answer 3

some people say that her films were banned since the people did not like their princess to be seen on film kissing other men.  

apparently, that was also the reason why she backed out from  a movie after getting married.