<br /> Extra had the chance to catch up with Keith Urban, who is about to hit the road for his Grafitti U world tour! His wife Nicole Kidman and their kids will join him on some of the stops. Urban says, “Every now and then, [Nicole] and the girls come out and we travel around on a tour bus — it’s a blast.” However, Urban revealed that he gets a “mixed” response from his kids when he performs on tour. <br />
