Blonde joke i thought was funny had to tell?

there are two burnettes and one blonde stuck on an island and they find a magic lamp. the genie says they each get one wish. the first burnette says that she wishes to go homeand the genie says your wish is granted. the second one wishes to also go homeand the genie says your wish is granted.and finally the blond wishes that her two friends came back to the island.and the genie then says her wish is granted.