Jang Keun-suk is a South Korean singer and actor. He is best known for starring in the Korean television dramas Beethoven Virus (2008), You're Beautiful (2009), Mary Stayed Out All Night (2010), Love Rain (2012), Bel Ami (2013), The Royal Gambler (2016), and Switch (2018).

You're Beautiful is a 2009 South Korean television series starring Jang Keun-suk, Park Shin-hye, Jung Yong-hwa of CNBLUE, and Lee Hong-gi of F.T. Island. The series follows fictional musician band, A.N.JELL, and how the relationship between its members changes when a girl posing as her twin brother joins the band. It aired on SBS from October 7 to November 26, 2009, for 16 episodes.