Look Great, Feel Good in 2013

PENÉLOPE CRUZ

Filming Pirates of the Caribbean: On Stranger Tides during her pregnancy, the Spanish beauty's unusual prenatal workout routine included sword fighting! "I’d trained for two months before we started shooting," she told Britain's Daily Mirror. After the Jan. 22 birth of her son, Leo, the former dancer, 37, credited her speedy slim-down to regular ballet sessions and a healthy Mediterranean diet, flaunting her hard work less than three months later at her Hollywood Walk of Fame star ceremony.