On the latest episode of SBS's�"Dalgona,"�After School's Jooyeon made a surprise appearance for friend and former Jewelry member,�Park Jung Ah. The program, which takes stars on tours through their hometowns and past relationships through a live camera, featured Park Jung Ah, as well as her costar from the hit drama "Smile, Donghae," Park Hae Mi. Jooyeon, who also appeared in the drama, stated much to the surprise of the studio, "I was dreading the scenes that Park Jung Ah had to hit me. Like her easy going and slightly boyish personality suggests, the strength behind her hits was pretty impressive. I think she's done this a lot before." Park Jung Ah was quick to follow up with a joke and replied, "I did hit a lot of people in my past...", to which host Lee Hwi Jae quipped, "Is this something an actress should say?" Source + Photo: Nate