Actor Yoon Sang Hyun says he has high expectations of international girl group Wonder Girls. The Wonder Girls are scheduled to appear as starring guests on SBS variety show "Family Outing Season 2". In the middle of the filming of "Family Outing Season 2," Yoon Sang Hyun, who has revealed of being a big fan of Yu Bin, couldn't contain his excitement after hearing the news that Wonder Girls will be joining the crew as guests. The Wonder Girls will be joining the "F.O. 2" crew to film on the 17th and 18th. It will also be the first time the girls will be on a variety show after last appearing over 15 months ago.