The MBC entertainment program 'Infinite Challenge' guest and singer Chae Yeon showed her sexy moves, representing the '90s sexy star.

On the most recent episode of the popular MBC entertainment program 'Infinite Challenge,' which aired on Oct. 17, 2015, the 'Infinite Challenge' members and participants of the 'idiots' competition studied together and had fun dancing and singing along one another.

Celebrities of the '90s such as Chae Yeon, Gan Mi Yeon, Solbi, Eun Ji Won, Hong Jin Kyung, Shim Hyung Tak and Kim Jong Min starred as the 'Idiots' mission participants. Chae Yeon, among the participants, earned a spotlight when she showed sexy dance. The rest of the 'Idiots' mission participants and the MBC entertainment program 'Infinite Challenge' members cheered for her great performance. In related news, the MBC entertainment program 'Infinite Challenge' is one of the popular, long lasting entertainment programs in Korea. It features the Infinite Challenge members Ha Ha, Park Myung Soo, Yoo Jae Suk, Jung Joon Ha, Kwnaghee and Jung Hyung Don.