Recently, in an interview, Paola Rey confessed that she looks like that because she makes a lot of sport.
She said that her body is hot and sexy and all the people said that, but no one knows how difficult is to keep it in this way. When she was younger she felt like a character from one of her movies, fat and ugly.
She decided that her body must be perfect and started to go at gym and she made a lot of sport and she became in this way. In present, Paola has a very strict alimentation and still makes sport because she wants to keep her body sexy.
Also, she confessed that is not easy to live after some rules, even they are for your beauty, but is necessary if you want to be a sexy and beautiful woman.