MONTE CARLO, MONACO - MARCH 19:  Tatiana Santo Domingo (1st L), Margherita Missoni (2nd L), Eugenie Niarchos (4th L), Beatrice Borromeo (3rd R) and guests attend the Monaco Rose Ball 2011 at Sporting Monte Carlo on March 19, 2011 in Monte Carlo, Monaco. This yearÂ’s Rose Ball will not be attended by the Royal family as they are in mourning after Princess Antoinette of Monaco passed away on Friday at the age of 90.  (Photo by Pascal Le Segretain/Getty Images)