Girl groups Girls' Generation's member Tiffany and SISTAR's member Bora showed off their beauty.

"The two best friends who are closer to each other than real sisters! Wow, two beautiful ladies are friends? Their radiating beauty is making me jealous!," was posted on fashion magazine COSMOPOLITAN's Instagram on Thursday along with a picture.

In the picture, the two are posing for the camera together- smiling brightly. Their beauty is catching much attention.

Girls' Generation's OnStyle "Channel Girls' Generation" airs every Tuesday.