Yoo Seung Woo made his comeback "You're Beautiful" and sang that song plus several others at a performance for 1theK's 'Run to You' series. 

In a suprise concert to celebrate the release of his latest single album, Yoo Seung Woo enthralled fans with three of his own songs, "You're Beautiful", "Lost Stars" and "Because Night is So Precious". In between touching performances he answered questions, discussed his weight loss, and even describe what type of traits he finds beautiful in girls.

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Yoo Seung Woo also took a song request performing hyukoh's "Wi Ing Wi Ing".  Ever the youthful guy, his gets a call on his phone and rather than answer he uses it as an opportunity to take a selfie with the crowd. He closes the show with a cover of "Isn't She Lovely" by Stevie Wonder much to the crowd's delight.

Check it out above!