There's pretty much no denying the fact that Megan Fox got breast implants. Back in 2005 she was an A cup, but now she's closer to a full B. After all, breast implants aren't that out of the question someone who has a Marilyn Monroe tattoo on their arm?
Megan Fox clearly has a full bust in the after picture. You could argue that the difference is just because she's just not wearing a bra in the before photo, but there still appears to be a significant difference.
Megan Fox appears to have no more than an A cup in the before photo. Would you say that she got breast implants? The difference is subtle, but is it enough?