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Nam Tae Hyun reveals he goes on a diet and loses 30 lbs when it comes time for promotions

Nam Tae Hyuntalked about his drastic weight difference on and off promotions.

On the June 19 airing ofMBC Every1's 'Video Star', Nam Tae Hyun revealed, "My weight is significantly different on versus off promotions. I had to lose weight this time too but I failed."He explained,"I'm the type that easily gains and loses weight fast,"and said,"Usually, there's about a 12kg (26.4 lbs) difference. But right now, I only lost 4kg. I need to lose 8kg more."