LUXEMBOURG - JUNE 30:  Crown Princess Mary of Denmark The festivities marking the 25th wedding anniversary of Grand Duke Henri and Grand Duchess Maria Teresa will start with a show entitled 'Homage' at the Grand Theatre featuring a host of Luxembourg artists 900 guests will attend including numerous members of royal households (Local Caption: 00134587) in Luxembourg on June 30, 2006.  (Photo by Alain BENAINOUS/Gamma-Rapho via Getty Images)