At 43, the singer stresses she needs to stay healthy to show up as a performer, mom and partner. After launching the Fit52 app in 2020 and serving as an American Idol judge, she says she wanted to cut through confusing wellness noise and create easy wins: good sleep, solid nutrition and practical habits like choosing a walk over scrolling. Back at her Tennessee farm, growing food and knowing what’s on the table feeds both body and soul for Underwood.