Jang Sung-kyu takes on the challenge of being Byun Woo-seok's doppelganger... Confused who's who?

There is news that TV personality Jang Sung-kyu is trying to catch up to actor Byun Woo-seok.

It seems like they added a lot of lighthearted fun by even sharing a picture of themselves imitating Byun Woo-seok on social media to celebrate the first broadcast of *The Great Military Wife of the 21st Century*. The two look so similar yet so different that it is certainly enough to become a hot topic among fans!