Bar Refaeli join Roberto Cavalli party: Roberto Dress: Bar Refaeli attends the Roberto Cavalli party at Les Beaux-Arts de Paris as part of the Paris Fashion Week  Ready To Wear S/S 2011 on September 29, 2010 in Paris, France. The fashion house of Roberto Cavalli celebrated its 40th anniversary at the Ecole des Beaux-Arts where Bar Refaeli attended wearing this really unique, and beautiful dress.