*This content was translated by AI.View Original

Actress Yoo Ah-yeon (38, real name Kim Yu-jin), former member of the girl group After School, revealed her abdominal muscles.
On the 13th, Yoo posted a mirror selfie on her personal Instagram account.
In the photo, Yoo is seen taking a mirror selfie in a daring look, wearing a bra top. Notably, she drew attention by revealing what is commonly referred to as a 'bony and thin' figure, contrasting with her past fame for 'honey thighs.'
Yoo showcased an ant-like waist without a single bit of excess fat, surprising netizens.
Meanwhile, Yoo is set to appear in the first broadcast of tvN's sports variety show "Iron Girls 3" at 8:40 p.m. on the 26th.
<© STARNEWS. All rights reserved. No reproduction or redistribution allowed.>
*This content was translated by AI.View Original





![Which K-pop idols will take the 2027 CSAT? [Video]](https://image.starnewskorea.com/cdn-cgi/image/f=auto,w=640,h=427,fit=cover,g=face/21/2026/11/2026111315032465266_1.jpg)
![[Official] Jin Se-yeon Joins Kim Sun-ho's Agency 'Fantagio'... New Profile Photos Released](https://image.starnewskorea.com/cdn-cgi/image/f=auto,w=640,h=427,fit=cover,g=face/21/2026/11/2026111310222325616_1.jpg)




![46-year-old Koo Sung-hwan reunites with ex-girlfriend from 30 years ago: "If you don't get married, marry me" [I Live Alone][★Night TV]](https://image.starnewskorea.com/cdn-cgi/image/f=auto,w=300,h=208,fit=cover,g=face/21/2026/11/2026111400160990725_1.jpg)
!['Liar' Yoo Yeon-seok, Shocking Additional Sexual Crime Suspicions… From Ex-Wife’s Close Friend to Ok Ja-yeon [★Night TV]](https://image.starnewskorea.com/cdn-cgi/image/f=auto,w=300,h=208,fit=cover,g=face/21/2026/11/2026111323105795542_1.jpg)