The country singer, who is now breast cancer free, said she adopted her sons - Wyatt, now six, and three-year-old Levi - because she realised having a family did not have to occur in the conventional way, reported Contactmusic.
"I began the adoption process right after I finished my radiation treatment. I always felt like I was meant to be a mom, but I'd been stuck on how I was supposed to do that...
"I moved to Nashville, closer to home and many great friends. I adopted my children. (Adoption) was not about me wanting a man. I wanted children. I finally realised there was no need for me to keep trying to bring a kid into the world when there are already for many great kids in the world looking for their people," she said.
The 'If It Makes You Happy' hitmaker, who turns 52 next week, feels blessed that her sons share a strong physical resemblance with her family.