Emily Ratajkowski is soaking up some serious sun during her vacation in Greece — and showing A LOT of skin thanks to some itty bitty bikinis!

In a new photo on Instagram, the brunette beauty once again flaunts her assets in the back — showing off her butt in a thong swimsuit.

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"Straight slayed it," one fan wrote next to the pic, while another said, "Most beautiful woman in the world."

https://www.instagram.com/p/BJztxqxAYIQ/

The 25-year-old has shared a total of seven bikini photos since starting her trip one week ago, but with a body like that, who can blame her!

Scroll through the gallery below to see more of the model's sexiest social media posts!