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America Ferrera Teases Upcoming Barbie Film: Fans 'Don't Have Any Idea What to Expect'

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America Ferrera Teases Upcoming Barbie Film: Fans 'Don't Have Any Idea What to Expect' 

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Barbie fans are in for a real treat when Greta Gerwig's film about the iconic Mattel doll premieres in theaters next year, 

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according to star America Ferrera. While chatting with PEOPLE about her partnership with Zumba 

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for its new Zumba Beginnings program, the actress, 38,also opens up about Barbie, which stars Margot Robbie in the lead role.     

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People don't have any idea what to expect [with the film], and I think that that's the right vibe,"

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she tells PEOPLE exclusively. "Whatever you think it is, it's not that. It's something else." 

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Though Ferrera remains mum on who exactly she is portraying in the project-- stating that director Gerwig, 39,  

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"would be not happy with me" if she disclosed her role-- the Sisterhood of the Traveling Pants star says that Barbie

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"is just awesome in the truest sense, and I'm so excited for people to share in that awesomeness.