Choi Seung Hyun (Hangul: 최승현), better known by his stage name T.O.P, is a South Korean rapper, singer-songwriter, actor, and record producer. T.O.P rose to fame in the mid-2000s as one of two rappers in the South Korean hip hop boy band Big Bang. Released under YG Entertainment, the group became one of the best-selling groups of all-time in Asia and one of the best-selling boy bands in the world. In 2010, while the group was on hiatus, T.O.P and G-Dragon formed a duo to record and release the number-one collaboration album, GD & TOP. As a solo rapper, he has released two digital singles, "Turn It Up" (2010) and "Doom Dada" (2013), which peaked at number two and four, respectively, on the Gaon Digital Chart.
T.O.P expanded his career into acting, starting with the TV series I Am Sam (2007) and Iris (2009), and the TV movie Nineteen (2009). He then expanded his career to the South Korean cinema with the 2010 films Iris the Movie and 71: Into the Fire, with the later earning him the Blue Dragon Film Awards of Best New Actor. Subsequently, he played the lead role in the movies Commitment (2013), for which he was awarded New Asian Actor of the Year at the Busan International Film Festival, Tazza: The Hidden Card (2014) and Out of Control (2017).