Back on April 12, Lovelyz performed at POSCO's the '50th Anniversary Thank-You Concert'. Photos and videos of Ryu Soo Jung from the event quickly swarmed the web. The reason was due to her sexy crop top fashion that showed off her tiny waist and toned figure. 

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The idol shared thoughts on the great attention. At the showcase for Lovelyz' 4th mini album 'Heal' on April 23, Ryu Soo Jung stated, "I found out through the employees of my agency. The video of me with the outfit revealing my waist became a hot issue in online communities and social media." 

She continued, "It's the first time since my debut that I've gained attention like this. It's amazing and I'm happy."

You can check out Ryu Soo Jung's viral photos below.