Backstreet Boys' AJ McLean Shows Off Ripped Physique in New Pics

Sometimes, AJ McLean and the Backstreet Boys are two worlds apart—and that's OK.

As he continues on his wellness journey, the 45-year-old—born Alexander James McLean—has learned the importance of setting boundaries in life. In fact, he now practices what he calls "turning off AJ and letting him live in the world of Backstreet" once he's off the stage. As AJ put it in an exclusive interview with E! News' Francesca Amiker, "I have self-worth."

"The biggest thing for me is knowing that AJ is a persona," he explained. "AJ is my job, but Alex is who I am."

The singer—…