Margot Robbie thought they would never be allowed to actually make this Barbie movie
We still don't really know what's so special about this Barbie movie, but the secrecy is part of the fun

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Barbie Photo: Warner Bros.
Even with the first trailer out and all of those memes clogging up our collective timelines, we still don’t know much about Greta Gerwig’s Barbie movie. It’s obviously some big meta-thing, with Margot Robbie’s Barbie and Ryan Gosling’s Ken going from the Barbie-filled Barbie Land to the Real World (where Will Ferrell will be playing the head of Mattel), but anything beyond that has been kept suspiciously secret—which is particularly surprising based on the fact that it should be easy to predict where the story goes from there in a post-Lego Movie world (and that also featured Will Ferrell as the key character to the meta-thing about it).