Keith Urban once appeared in Playgirl Magazine, and he’ll play coy, but he’s got a sense of humor when it’s brought up so many years later. During a chat with Rob Lowe on the Literally! with Rob Lowe podcast, the actor was armed with this detail of the country star’s past. Initially, Urban pretended he was too shy to talk about it, joking that he didn’t understand why folks would want to see men in their birthday suits when Playboy exists. Urban’s Playgirl issue hit stands in April of 2001 — more than 20 years ago, when the now-star was still an up-and-comer in mainstream Nashville. He’d only …