On December 16th, Kim Tae Ho PD of 'Infinity Challenge' uploaded a photo onto his Twitter with the caption, 'At the set for the Christmas Singles Party rehearsals.' The picture above reveals a surprising side to�Yoo Jae Suk, as he rehearses his DJ act�on a spectacular stage. Kim continued, 'DJ Yoo is DJing! Even by himself, his aura fills up the entire stage!' The netizens wrote, 'What can't Yoo Jae Suk do?', 'So cool', and 'I'm looking forward to the party.' 'Infinity Challenge' members will be hosting the 'Christmas Singles Party' on December 16th at Club Answer in Chungdam-dong. 400 single men and women were invited to this event. [gallery] Source: Hankyung.com via Nate