It 's unsure how much advice A.B. de Villiers will take from Martin Crowe 's open letter to him .
It appears A.B. de Villiers has already followed the New Zealand legend 's grooming tips by having a shave .
It 's unsure how much advice A.B. de Villiers will take from Martin Crowe 's open letter to him , but it appears he has already followed the New Zealand legend 's grooming tips by having a shave .