Stéphanie is the president of several associations , including Monaco Youth Centre and Princess Stéphanie Activity Centre , and is an honorary board member of the Princess Grace Foundation – United States . She has also been the patron of the International Circus Festival of Monte-Carlo , which she regularly attends , and the World Association of Children 's Friends ( AMADE ) , which was founded in 1963 by her mother Grace , Princess of Monaco . Since 1985 , Stéphanie has been the president of the Monte-Carlo Magic Grand Prix and the International Festival of Amateur Theatre . She is also the president of the Théâtre Princesse Grace
International Festival of Amateur Theatre
Mondial du Théâtre
Princess Stéphanie of Monaco