Girl group Rainbow's Oh Seung Ah revealed her unbelievable body.

Today, Oh Seung Ah posted on her Me2day, "This is Rainbow's S-line Seung Ah. You know Rainbow's second teaser photo was released, right? Everybody go see!" along with a picture.

In the picture, Oh Seung Ah is taking a picture of herself in the mirror. She is wearing a short, tight white knit with jeans, showing off her S-line body.

Internet users who saw this commenetd, "Amazing body," "Perfect body," and "I'm jealous."

Photo Credit: Oh Seung Ah Me2day