Watch Strong Heart online: Episode 18 Episode 18

Taecyeon & Junho (2PM), Yoona & Soo Young & Tiffany & Seo Hyun (SNSD), Jung Yong Hwa (C.N Blue), Lee Joon (MBLAQ), Uee & Gahee (After School), Narsha & Jea (Brown Eyed Girls), Leeteuk & Eunhyuk & Shindong (Super Junior), Jeon Hye Bin, Brian, Danny An, Jung Ga Eun, Wheesung, Kim Gi Wook, Kim Jung Min, Kim Young Chul, Jung Joo Ri, Kim Hyo Jin, Lee Soo Geun, Hwang In Young, Hong Soo Ah, Kim Hye Young, An Hong Jin, Hwang Chan Bin

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