Which singer is older, Beyoncé or Han Seung-yeon?
Han Seung-yeon Han Seung-yeon (born July 24, 1988), better known mononymously as Seungyeon, is a South Korean singer and actress. She is best known as former main vocalist of the South Korean girl group Kara.
Seo Hyun-jin Seo Hyun-jin (Hangul: 서현진 ; born February 27, 1985) is a South Korean actress and singer. Seo debuted as the main vocalist of South Korean girl group, M.I.L.K in 2001 and continued until 2003 when the group disbanded. She contributed songs as a solo artist after the group disbandment before she transitioned into acting in 2006.