Kim Hyun Joong showed off his modeling skills as he is set to release his own sunglasses line with world renowned jewelry designer, Justin Davis. Justin Davis has worked with celebrities like Paris Hilton, Eminem, Ayumi Hamasaki, and more. Kim Hyun Joong collaborated with the designer not just as a model, but he also contributed to the aesthetics of design planning. The duo also worked together on a jewelry collaboration back in 2011. A representative for Justin Davis commented, "For this collaboration, Kim Hyun Joong expressed his creative and modern style to show off his design skills. Even while working on the previous jewelry line he had great sense and ideas that he received praise for. During this sunglass collaboration I could easily feel that he showed off the same passion."