Red Velvet's Joy sings 'I'm Ok' featuring Lee Hyun Woo for 'The Liar and His Lover' OST
Red Velvet'sJoylends her voice for another beautiful OST.
The idol star is currently playing her very first lead role in the drama 'The Liar and His Lover'. She also recently dropped theMV for her first OSTever titled ''Yeowooya''. She once again sang an OST for the drama; this time with her co-starLee Hyun Woo.