Hillary Duff showed off her amazing figure during her last vacation.

She posted a picture of a demi-cup underwire top and thong-style bottoms.

Thongkinis are actually becoming quite popular now. Celebrities such as Britney Spears and Kim Kardashian are wearing it.

They are made from recycled nylon yarn and scraps and us eco-friendly.

She added gold jewelry to finish off her zebra-printed bikini look and it was absolutely gorgeous.