After all the bad buzz surrounding Megan's appearance in Transformers 2, it didn't seem likely the actress would return to the third film in the franchise.
However, the news out of Hollywood today is that not only Megan Fox but Shia LaBeouf have both signed on to do Transformers 3. John Malkovich and Frances McDormand have also signed on for this one. Michael Bay released a lot of news about Transformers this week, and it seems like work on this project is moving full steam ahead.