[Video] MBLAQ's Thunder and SISTAR's Hyorin had a collaboration in Vietnam! HyorinDKPOPNEWS OfficialMar 26, 2012 Share 0 comments Check out Thunder and Hyorin's collaboration in Hanoi,enjoy their performance here! Tags: Hyorin, Kpop, Mblaq, Sistar, Thunder, Video Share Previous articleNext article Leave a comment Name Email Content Post comment