Celebs put up their dukes – A-list stars and ‘bad girls’ alike are turning to the sweet science for fun, fitness and feeling of empowerment

Meg Ryan and Russell Crowe are doing it. So are Tonya Harding and Barry Williams. And come to think of it, Danny Bonaduce and Long Island Lolita Amy Fisher are doing it, too. Hey now, get your minds out of the gutter. We’re talking about that other contact sport– boxing.