This year marks the 50th anniversary of the Sports Illustrated Swimsuit issue.

You will never believe who is on this year's cover. Click "read more" for the answer

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BARBIE!!!! (Not this particular Barbie)

Yup!!!! That's right a Barbie Doll wearing a black and white swimsuit she wore for her toy debut in 1959.

A Mattel spokesperson says "Barbie is a legend in her own right, with more than 150 careers and a brand valued at $3 billion”

Sports Illustrated is calling this "The doll that started it all".

The new cover with Barbie on it will be unveiled tonight on Jimmy Kimmel Live