Lainey Wilson surprised fans with a very special guest star during her performance on Day 3 of CMA Fest 2024 in Nashville on Saturday night (June 8). The reigning CMA and ACM Entertainer of the Year invited Terri Clark to join her for Clark’s ’90s hit, “Poor, Poor Pitiful Me.” The surprise performance came second in a set that began with Wilson’s latest single, “Hang Tight Honey,” and wrapped with “Wildflowers and Wild Horses.” The moment was one of several surprise highlights Saturday night, which included: Wilson joined Keith Urban during his set to perform “Go Home W U.”Urban joined Jelly R…