Baby photos of Scarlet Heart's princes revealed on Running Man > TV-MOVIES

​演员李准基，姜河那，洪宗玄参加SBS综艺节目‘Running Man'，节目上他们透露了自己儿时的照片。三位男主角在步步惊心中饰演王子。 

Korea.com’s Xiangning Tang(sophiaxn08@korea.com) contributed to this report from Seoul​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​