News BSB A.J. McLean Reveals Hair Transplant By Krista Wick 12:59 PM PDT, April 5, 2013 Instagram Backstreet Boy A.J. McLean is sporting a new look.The once-balding singer, 35, took to Instagram to reveal a full head of hair, courtesy of his surgeon.Related: Justin Bieber Goes Bald for Jimmy Kimmel"Some girls get their boobs done some guys get ab implants all to make them happy!" wrote McLean alongside before-and-after photos. "This was the one thing I did and I couldn't be happier thank u Dr. G!!!!"What do you think of the BSB member's new hair?