Girls' Generation's member Tiffany and singer Jessi revealed a sister-like photo together.

Tiffany posted a photo on her Instagram on Wednesday.

In the picture, Tiffany and Jessi are posing for the picture with their faces close to each other's. The two are known to be 10-year friends and revealed their sister-like looks.

"How great to see," "They must be really close" and "Both of them are so pretty," wrote users on Instagram.