Once, Jisoo confessed that she loved her smile. The reason is that when Jisoo smiles brightly, her lips and the corners of her mouth will form a very special heart shape. However, the heart-shaped corner of the mouth is actually a sign that Jisoo’s skin has shown signs of aging, so wrinkles begin to form earlier than her age. Seulgi (Red Velvet) Seulgi once revealed that she’s female idol SM Ent’s first company to own monolid eyes. For a long time, the girls wanted to be recruited by this big man as a trainee and let debut , must have big round double eyelids. Only Seulgi has single eyelids that are not as big as her colleagues’ eyes, with a cold and mysterious aura, not a bright smile like other female idols under SM Ent. Yoona (SNSD) Yoona is a beauty wall of K-Pop that everyone must recognize. Whether Yoona has a cold face or Yoona smiles, she is beautiful. But Yoona’s mouth is slightly crooked, that’s why Yoona is prettier smiling than smiling. Irene (Red Velvet) Irene is often praised as a new generation K-Pop beauty, whose face is so beautiful that it makes people overwhelmed when they meet it face to face. However, if you pay close attention, you will notice that Irene has a small disadvantage. It is the corner of Irene’s mouth that is slightly distorted, causing her mouth to often shift to the left. When Irene smiles, this flaw becomes even more obvious. Jennie (Black Pink) Did you realize that Jennie (Black Pink) would be prettier without smiling? That’s because Jennie’s teeth are slightly shorter than others, causing her to have open gums when she smiles. That’s also why Jennie likes to keep her face cold, or just smile.