Zach Bryan‘s Quittin’ Time Tour swung through Nashville on Saturday night (June 29), delivering plenty of unforgettable moments for the crowd. Kacey Musgraves even made a special appearance to sing her Grammy-winning hit duet with Bryan, “I Remember Everything.” But the biggest surprise guest of the night wasn’t even a country singer at all. During a performance of his song “Revival,” Bryan brought out 23-year-old Hailey Welch, known to the Internet as the “Hawk Tuah” girl after she gave a hilarious, and decidedly NSFW, street interview earlier this summer. Welch’s street interview was filmed …