CJ E&M introduced a new fashion reality show in four years using social networking sites, titled Heart_a_tag. K-Pop fashion icon Tiffany and popular model known as a second winner of Korea’s Next Top Model Guys & Girls in 2014 Lee Cheol-Woo will host the show. Girl's Generation's Tiffany and model Lee Cheol-Woo Title Heart_a_tag means a combination of heart button and hashtag on social networking sites to show people’s preference. The infotainment show … [Read more...] about Heart_a_tag’ premieres on Mnet