Watch: Keith Urban Changed Song Lyrics Inspired by Nicole Kidman Romance Before Breakup NewsKeith Urban took a little time to tweak his song. Just days before Nicole Kidman and the country star's breakup was confirmed, he made an eyebrow-raising change to the song "The Fighter," inspired by their relationship. And in this new version, Keith gave a pointed shoutout to touring guitarist Maggie Baugh, who was performing beside him. While the song's lyrics go, "When they're tryna get to you, baby I'll be the fighter," during the recent concert, per a video Maggie shared to Instagram Sept.