Park Min Young recently introduced her 'best friend' on Twitter. On July 19th, the actress tweeted, "Kim Nana Guard and best friend Shin Eun Ah Guard. Is your mate Ko Ki Joon or Shik Joong ahjussi?". She also uploaded a picture of herself posing with her co-star, Yang Jin Sung. The two smiled brightly for the camera. Their cute eye smiles and refreshing appearances charmed fans. Netizens commented, "You two are best friends in real life too", "I can't take my eyes off of this photo", "Pretty people only hang out with other pretty people." The two actresses are currently starring in SBS's 'City Hunter' as best friends. Source: Star News via Nate