CMA Fest 2018 may be gone, but it’s not forgotten. Check out 19 of our favorite photos from four nights at Nissan Stadium, including pics of Brothers Osborne, Dan + Shay, Darius Rucker, Jason Aldean, Blake Shelton, Brett Young, Carrie Underwood, Luke Combs, Chris Stapleton, Dustin Lynch, Jon Pardi, Kelsea Ballerini, Lee Ann Womack, Dierks…