Showing off the ever expanding SM Town love, f(x)'s Amber uploaded a picture of her and SNSD's YoonA on her Me2Day in commemoration of YoonA's 20th birthday!
After uploading a cute picture of the two backstage, Amber wrote on her Me2Day, 「Everyone, have you congratulated YoonA on her birthday? If you didn't, do it with me. YoonA unnie, happy birthday,」 and followed it sweetly with, 「Thank you for always taking care of me. I hope you had a great birthday.」
Let's follow suit and wish YoonA a happy birthday!