SEE ALSO: YoonA and Lee Bum Soo monitor the premiere of 'Prime Minister and I'

The BTS photos show YoonA and Lee Bum Soo at the police station for the scene in which she gets reported as a stalker. Lee Bum Soo did a good job keeping a straight face the whole time whereas viewers couldn't help but laugh at the hilarious scenario. He did end up letting out a smile because at the end of the day, he is a lucky man to work with the beautiful YoonA.

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