R&B singer�Navi has netted some interest with her behind-the-scenes video teaser for "Come Back", which features the charming�B2ST rapper,�Junhyung! Navi's agency, ITM Entertainment, recently unveiled a surprise video through their official Twitter of Navi recording the song with Junhyung. As it turns out, the two of them are actually close friends. "Through radio broadcasts and song featurings, Navi has been maintaining close friendships with her seniors and juniors. Navi has been receiving lots of support from many artists such as B2ST's Junhyung, 2AM's Changmin, Super Junior's Shindong, Yoon Do Hyun and Kim Tae Woo,"�stated ITM Entertainment. Could we expect more future collaboration videos to make their way onto the 'net? http://www.youtube.com/watch?v=OPR5doD9NBE Source: Segye via Nate