Today , Act II is a `` ballet blanc '' ( a `` white '' ballet in which all the ballerinas and the `` corps de ballet '' are dressed in full , white , bell-shaped skirts and the dances have a geometric design ) .
Today , Act 2 is a `` ballet blanc '' -- a `` white '' ballet in which all the ballerinas and the `` corps de ballet '' are dressed in full , white , bell-shaped skirts and the dances have a geometric design .