No. It's her sister!

On January 10th, photos of f(x) Amber and her sister were posted on an online community board with a caption, "Amber introduces her sister. She just looks like Amber".

In the photos, Amber and her sister are seen having fun at a clothing store. Proving their superior genes, fans were amazed that the sisters really looke alike.

Netizens commented, "I thought Amber took the photo while wearing a wig", "Are they twins?" and "Amber’s sister is beautiful too".