After leaving the Hollywood spotlight behind for a simpler life in Tennessee, Carrie Underwood is opening up about the challenges of living on her family’s 400-acre farm just outside of Nashville. The country music singer continues to star as a judge on American Idol , but now spends the rest of her time in a very different setting. In a recent interview with US Weekly , Underwood described running a farm as both “frustrating” and “exciting.” “My goal is to just do as much as I can myself,” she said. “I love it. It’s a challenge, and it’s frustrating, and it’s exciting, and it’s rewarding, and just all the things.” The 43-year-old’s 2019 move to Tennessee was motivated by her desire to focus on family life alongside her husband, retired NHL star Mike Fisher, and their two sons, Isaiah, 11, and Jacob, 9. “I go home, and I had to have talks with my family at one point, because I was like, ‘OK, when I’m away, I’m like, Cinderella at the ball.’ I’m a princess, and it’s great,” she said.…