Margot Robbie, Greta Gerwig and Issa Rae celebrate ‘Barbie’ in Sydney

Greta Gerwig, Issa Rae, Margot Robbie, America Ferrera and Tom Ackerley attend the "Barbie" celebration party in Sydney, Australia.

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Margot Robbie wears vintage Versace at the "Barbie" celebration party in Sydney, Australia.

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Greta Gerwig wears The Vampire's Wife and Margot Robbie wears vintage Versace at the "Barbie" celebration party in Sydney, Australia.

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Margot Robbie wears vintage Versace at the "Barbie" celebration party in Sydney, Australia.

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Greta Gerwig wears The Vampire's Wife at the "Barbie" celebration party in Sydney, Australia.

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Issa Rae wears Givenchy at the "Barbie" celebration party in Sydney, Australia.

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America Ferrera wears Dolce & Gabbana at the "Barbie" celebration party in Sydney, Australia.

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Georgia Fowler wears Valentino at the "Barbie" celebration party in Sydney, Australia.

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Charlee Fraser wears Versace at the "Barbie" celebration party in Sydney, Australia.

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Celeste Barber attends the "Barbie" celebration party in Sydney, Australia.

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Celeste Barber attends the "Barbie" celebration party in Sydney, Australia.

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