f(x)'s member Amber revealed a picture taken with A Pink's member Bomi.

"We keep looking more and more alike. I love you Bomi," posted Amber on her Instagram on Wednesday along with a picture.

In the picture, Amber and Bomi are posing for the camera togehter. Both of them have the same shade of blonde hair- making them look alike.

The two had appeared in MBC "The Real Man" female soldier version together, becoming close friends.