South Korean singer-actor Hwang Min-hyun finally returned to Singapore on Saturday (Aug 22) after seven years, drawing excited crowds to Junction 8's Level 2 Atrium for a glimpse of the star. Min-hyun was in town for Lenskart's Frame Your Style showcase, where he met fans and tried on different spectacle frames. He also spoke to AsiaOne about what to expect from Study Group season two and the "fun" of matching glasses to his style. The 31-year-old arrived at around 1pm dressed in all white, looking effortlessly polished. He greeted fans with a wave and a bright smile, saying: "I'm really excited to finally see you guys and it makes me so…