Renee Zellweger weight loss yo-yo: 'Bridget Jones' weight gain, plastic surgery troubles

The release of the third film in the "Bridget Jones" trilogy, "Bridget Jones's Baby" sparked discussion of Renee Zellweger and her yo-yo weight gain and rapid loss between movies. Weight loss and cosmetic surgery have left Zellweger unrecognizable from her chubby character. Cosmetic surgery also renders a wooden look and Renee needs to be very voluble and expressive in this role.  Why does Renee look so different after plastic surgery? How does Zellweger lose weight so quickly and is it healthy to gain over 20 pounds to play a part? All will be revealed.    Renee Zellweger weight loss yo-yo: 'Bridget Jones' weight gain, plastic surgery troubles