Kim Seol-hyun ( born January 3, 1995), better known by her mononym Seolhyun, is a South Korean actress and singer. She is a former member of the South Korean girl group AOA and she has starred in television dramas Orange Marmalade (2015), My Country: The New Age (2019), Awaken (2020–2021), and film Memoir of a Murderer (2017).