Many stars attended Dam Vinh Hung's birthday party on October 3rd, 2011. The singer turns 40 this year. Among the stars was Johnny Tri Nguyen who showed up alone. Oversea celebs such as comedian Chi Tai and Duong Trieu Vu were present as well as Backstreet Boys member Nick Carter. And the controversial Miss Vietnam Continents 2011, Ngoc Trinh was also there to join in the celebration. Check out some photos below.
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