Keith Urban<\/strong><\/a> was not in a fighting mood during his first performance since news of his split from Nicole Kidman<\/strong><\/a> broke.<\/p>\n The country singer, 57, notably left a love song inspired by his estranged wife off his setlist when he performed on Thursday, October 2<\/a>, at Giant Center in Hershey, Pennsylvania.<\/p>\n Urban removed \u201cThe Fighter,\u201d a collaboration with Carrie Underwood<\/strong>, from his concert, which\u00a0Us Weekly attended, after word got out earlier this week<\/a> that he and Kidman, 58, had called it quits.<\/p>\n Released in 2016, the song contains the lyrics, \u201cWhat if I fall? \/ I won\u2019t let you fall \/ What if I cry? \/ I\u2019ll never make you cry \/ And if I get scared? \/ I\u2019ll hold you tighter \/ When they\u2019re tryna get to you, baby, I\u2019ll be the fighter.\u201d<\/p>\n Why Did Nicole Kidman and Keith Urban Split? Inside Their Growing \u2018Distance\u2019 After Living Apart<\/a><\/p>\n In a March 2017 interview with The Boot<\/a>, Urban shared how the song was inspired by his romance with the Oscar winner.<\/p>\n \u201cIt was just a very quick, quick song to write, because I literally thought about Nic and I and our relationship in the beginning, and some of the things we had said all went into that song,\u201d he recalled.<\/p>\n Urban is currently performing on his High and Alive World Tour, on which he previously performed \u201cThe Fighter.\u201d The singer changed the lyrics to the song<\/a> at a recent show to give a shout-out to his guitarist, Maggie Baugh<\/strong><\/a>.<\/p>\n Instead of the lyric, \u201cWhen they\u2019re tryna get to you, baby, I\u2019ll be the fighter,\u201d Urban sang, \u201cWhen they\u2019re tryna get to you, Maggie, I\u2019ll be your guitar player,\u201d per footage shared on social media.<\/p>\n Taylor Hill\/FilmMagic<\/span><\/p>\n Baugh, 25, was not onstage with Urban on Thursday night.<\/p>\n Us\u00a0confirmed on Monday, September 29, that the longtime couple had separated after 19 years of marriage. Kidman filed for divorce one day later<\/a>, citing irreconcilable differences, and listed their date of separation as the same day she filed.<\/p>\n<\/span><\/div>\n