Keith Urban is firing shots at his estranged wife. On Sunday, the Nashville-based musician's new show The Road premiered on CBS. If you haven't heard of it, it features Blake Shelton and follows a group of up-and-coming musicians as they compete to become Keith's opening act in his US tour. You can ch-ch-check out the preview (below): Related: Drama! Jennifer Lopez's Ex-Husband Accuses Her Of Cheating! And during the premiere episode, he sang a more recent song from his discography which has Nicole Kidman fans raising their eyebrows.