How could they look the same for decades otherwise? Here are 15 Korean stars with a baby face (동안) who don't look their age. Take a look! 

1. Won Bin

Born: November 10, 1977 (age 38)

Won Bin and wife Lee Na Young had their first child several months ago.

2. Lee Young Ae

Born: January 31, 1971 (age 45)

The beautiful Jewel in the Palace actress is filming the new historical drama Saimdang, the Herstory.

3. So Ji Sub

Born: November 4, 1977 (age 38)

We still can't get over his chemistry with Shin Min Ah on Oh My Venus!

4. Jo In Sung

Born: July 28, 1981 (age 34)

Above is a photo of Jo In Sung from a tax event last week. Check out the melodrama film The Classic, starring Jo In Sung, Son Ye Jin, and Cho Seung Woo.

5. Ha Ji Won

Born: June 28, 1978 (age 37)

Check out Ha Ji Won and Chen Bo Lin sizzling in the snow for Marie Claire.

6. Ji Sung

Born: February 27, 1977 (age 39)

Kill Me, Heal Me actor Ji Sung is set to star on new K-drama Entertainers, possibly with Girl's Day's Hyeri.

7. Jang Geun Suk

Born: September 26, 1987 (age 28)

He still looks 18 to us... Check out Jang Geun Suk and Yeo Jin Goo at the upcoming historical drama Daebak script reading!

8. Choi Ji Woo

Born: June 11, 1975 (age 40)

Did you know these 11 surprising facts about the Twenty Again actress?

9. Kim Jong Kook

Born: April 25, 1976 (age 39)

Here are seven reasons why we love Running Man's Sparta Kook.

10. Im Soo Jung

Born: July 11, 1979 (age 36)

Did you know that Im Soo Jung has rated Yoo Yun Suk's kissing abilities?!

11. Lee Mi Yeon

Born: September 23, 1971 (age 44)

Watch Lee Mi Yeon and Yoo Ah In's chemistry on the romantic comedy film Like For Likes.

12. Gu Hye Sun

Born: November 9, 1984 (age 31)

Gu Hye Sun confirmed last week that she is dating her Blood costar Ahn Jae Hyun.

13. Lee Byung Hun

Born: July 12, 1970 (age 45)

Lee Byun Hun recently visited his wife Lee Min Jung's K-drama Please Come Back, Mister filming set.

14. Kim Hee Sun

Born: June 11, 1977 (age 38)

Can you believe she is a mother, not a high school student?

15. Lee Min Ho

Born: June 22, 1987 (age 28)

Can you believe Lee Min Ho oppa turns 30 next year?

Which celebrity's age surprised you the most? Tell us in the comments below!

Photo credits as referenced or watermarked.