Pop star A.J. McLEAN has undergone hair transplant surgery to regain his lucious locks.
The Backstreet Boys singer, 35, has been suffering from premature balding in recent years, so he turned to medical experts to help with his style transformation.
Sharing before and after photos with fans on Instagram.com, he writes, "Some girls get there (sic) boobs done some guys get abb (sic) implants all to make them happy! This was the one thing I did and I couldn't be happier."