F(x) member Amber’s picture with her sister has caught the attention of fans.

Through the online community a picture of Amber with her sister has been posted along with the comment “Amber reveals her sister. They look exactly alike.”

In the picture, Amber and her sister and back to back posing for the camera in a clothing store. Fans have been amazed at how similar they look.

Fans who saw this picture have commented “Who’s Amber and who’s her sister? I thought Amber just wore a wig” and “How can sisters looks so alike? They look like they’re twins.”

Fans also expressed “Amber’s sister is so pretty” “She should debut and become like Jessica and Crystal sisters.”