Sexy alert! Yoo Gun is revealing his fine physique in the July issue of The Celebrity magazine. The 31-year-old actor is featured in two photos that show off his good looks and sculpted body.
Sex appeal oozes from the American-born actor in a shirtless image, wearing rolled up floral swim trunks and a black leather jacket. He looks confident and cool as he flaunts his muscular legs and ultra-defined abs.
In another shot, "U Gun", as fans affectionately call him, looking comfortable in a T-shirt and a relaxed red blazer with yellow pinstripe pants and leather sandals.
In 2011 Yoo Gun -- who stars in the upcoming MBC drama Make A Wish later this month -- gave up his American citizenship and enlisted for two years of service in the Korean army where an active lifestyle probably helped sculpt that six-pack.
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After being discharged in December 2012, the former member of boy band OPPA quickly returned to the small screen, appearing on the travel program The World Is Delicious followed by a headlining role in the 2013 soap Sincerity Moves Heaven.