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Shia LaBeouf has joked that there was little he could do to prepare Rosie Huntington-Whiteley for the experience of working with the director of Transformers 3.
The lingerie model was cast in the movie after Megan Fox, who played feisty Mikaela Banes in the two previous films, decided not to return for the third instalment.
He told MTV.com that Rosie was "doing great" and said of preparing her for director Michael Bay, who has a demanding reputation on set: "You can only do so much. Fight or flight. A tap on the back and a 'Good luck!'".
The 24-year-old reckons there are pros and cons to Megan Fox not being in Transformers 3.
He said: "I think there's positives and negatives to her not being (in the movie) - it's awesome that we get the discovery again."
He added: "It's kind of beautiful in that we get a new set of eyes, a fresh set of eyes for the audience to vibe with, so you get the discovery again, which is something that wouldn't happen if Megan came back."
