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Gisele Bündchen and Patricia Nonnenmacher Bündchen

Gisele recently took to Instagram to wish her twin sister a happy 39th birthday, describing Patricia as her "other half". [Photo: Instagram]

From Melania Trump to Gisele Bündchen, celebrity sisters with a striking resemblance

Caroline Allen

Did you know that Gisele Bündchen has a twin? Or, that Rachel McAdams has a sister who looks like her twin?

Whether these siblings are part of celebrity families or sisters you never knew existed, they share a striking resemblance.

From Melania Trump’s sister - who would give fake Melania a run for her money - to Kate and Pippa, here are the sisters making us do a double take.