Gizmo: Until such time as you are able to imperically test your hypothesis on each subject, it remains unverified.
What I was getting at is that your observations are biased, you think she's had implants, and you're not allowing for the fact that you're not in posession of all the evidence. You fall back on previous observations (photographic and otherwise, I sincerely doubt you've ever been able to examine any of these models you're citing), but you have no concrete data to found your assertions on: ie. an actual mammogram or whatnot.
Until you have such data, and not anecdotal "evidence" I suggest you keep your ideas and suppositions as such, and not misrepresent them as fact.
In any case, get over yourself, if a model says she's natural, great. If she's got implants and says that, I'm not carrying on a relationship with her... let her say what she likes, it's not like it's going to make me not look at a beautiful woman.
(BTW, I work in forensic sciences. I know the scientific method well enough, but I also have to stand by my work, as such, if I can't say for certain, I don't care to put my foot in my mouth.)