This week on 'Running Man', Haha surprised actress Lee Yeon Hee with a 'love' confession! On September 18th's broadcast of SBS's 'Running Man', viewers saw footage from the cast's recent trip to China. They were joined by special guests Kim Joo Hyuk, Lee Yeon Hee, and KARA's Kang Jiyoung. During the show, the cast headed for the Great Wall of China, where they were surprised by one of their guests, Lee Yeon Hee. As soon as Haha saw the actress, he caught her off-guard with his infamous catchphrase, "You're really my last love." Later Gary told Haha, "If you make Yeon Hee cry, I won't leave you alone," causing the entire set to howl with laughter. Asides from the Great Wall of China, the cast also visited Shichahai and Beihai Park. Source: OSEN via Yahoo! Korea