2NE1, Hara & Nicole (Kara), Lee Teuk; Eun Hyuk (Super Jnior), Tablo (Epik High), Brian (Fly to the Sky), Moon Sae Yoon, Boom, Lee Sooni, Hyun Young, Joobi, Hong Suk Chun, Kim Hyo Jin, Naen Siraeng, Solbi, Yoo Chae Young
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Ready to Watch Strong Heart, Season 1, Episode 2?