Idol group Super Junior's Eunhyuk revealed pictures taken with Girls' Generation's Yoona and Seohyun.

See more Photo: Girls' Generation Reveals Backstage Photo with Eunhyuk, EXO and Key From 2013 World Tour 'Girls& Peace' In Seoul [PHOTOS] 

Today, Eunhyuk posted on his Twitter, "Yesterday Yoong" and "Best friend Seohyun" along with two pictures.

In the picture, Eunhyuk is posing next to Seohyun and Seohyun who are in stage outfits and makeup. They look like siblings as they are posing next to each other.

Internet users who saw this commented, "Both of them look happy," "Yoona and Seohyun are shining," and "Good-looking boy and girls."

Photo Credit: Eunhyuk Twitter