Brantley Gilbert is a father again, and the country star paused his live show Friday night (Oct. 11) to deliver his own baby. Gilbert was performing in Tupelo, Miss., on Friday evening as part of his 2024 Off the Rails Tour when his wife, Amber, went into labor. According to AntiMusic.com, Gilbert was four songs into his scheduled set when he left the stage to be with his wife for the birth of their third child. A fan who was in attendance at the show says Gilbert was gone for an hour, and when he returned, he told the audience that he had helped his wife deliver their baby on his tour bus. Re…