Following months of ugly divorce headlines and claims of family estrangement, Nicole Kidman and Keith Urban have reportedly “laid down the hatchet and have been talking regularly”, a source spills to Woman’s Day after their gushing – and very public – Instagram posts to each other spurred rumours the former couple could even be getting back together! (Credit: Instagram) Reaching out Last week, Keith, 58, stunned fans when he posted, “Happy birth…