The 2PM member previously named "The Time I Never Loved You" actress as his ideal type. He appeared to be totally delighted by his on-set encounter with her, which he documented through a photo that was later posted on his social media.

The K-pop vocalist and actor also previously expressed his love for his label mates, Wonder Girls, who are currently promoting as a four-member band.

What are you thoughts about these fan moments? Do you like 'Show Me the Money 4' or Ha Ji Won?

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About the writer: Adrienne Stanley is a contributing editor for KDramaStars. She is also a contributing writer for KpopStarz, MTV Iggy, Viki and CJ Entertainment's KCON blog. Her passions include a love of K-pop and Asian drama. When she is not writing, she is hanging out on Twitter (@retrogirladdy).