Megan Fox had a boob job in the mid to late 2000's. After plastic surgery her breast size went up at least a cup. Megan Fox had a little stint of a plastic surgery craze where she had breast implants, a nose job, and Botox all in a short time period. Some of this surgery (excluding the later Botox injections) skyrocketed her career. She landed the Transformers(2007) role as a co-star with Shia Labeouf.