Jang Geun Suk recently celebrated his birthday with his 'You're My Pet' co-star,�Kim Ha Neul. On August 4th, the actor's agency tweeted, "Ah, even the owner is wishing Geun Suk a happy birthday! Next to owner Ha Neul, pet Geun Suk is doing his best to be loyal! 'You're My Pet' hwaiting!" A picture of the two actors was also uploaded, showing how they celebrated the special day. In the picture, Jang Geun Suk is seen wearing a hat in the shape of a birthday cake, while Kim Ha Neul dons a pair of 'Happy Birthday' sunglasses. The two actors' adorable charms and their close relationship brought out warm responses from their fans. Netizens commented, "Happy birthday Geun jjang!!", "You two look good together", and "Kim Ha Neul, you look so cute." The two actors are currently filming for the romantic comedy movie, 'You're My Pet'. Source: Enews24 via Nate