Let's make this birthday one to remember.

39 years old (Born on October 06, 1986)

Happy Birthday, Yoo Ah-in! From your unforgettable swagger as Moon Jae-shin in "Sungkyunkwan Scandal"—where you single-handedly made messy hair and rebellious charm timeless—to the heartfelt punches (literally!) delivered as Do Wan-deuk in "Punch," you've always kept us entertained. Seriously, who knew teenage angst could be so endearing?

And let's not forget your captivating portrayal of King Sukjong in "Jang Ok-jung, Living by Love." Only someone with true talent can make historical robes look effortlessly cool. Here's to another year filled with memorable roles, endless charisma—and hopefully fewer bruises from all those action scenes! Keep shining bright!