How Jennifer Lopez, Halle Berry and other stars over 50 stay sexy
(New York Post Fashion)

On Wednesday, superstar Jennifer Lopez will add another considerable accomplishment to her list: the actor-singer-dancer is turning 50. But to look at her `Jenny From the Block`-era abs and baby-smooth skin, you´d scarcely believe that the mother-of-two has been alive for half a century. So what´s her secret? `Here´s the thing,` the “Hustlersâ€� star’s trainer,...