Kang Dae-sung (Korean: 강대성; born April 26, 1989), better known mononymously as Daesung and his Japanese stage name D-Lite, is a South Korean singer who made his musical debut in 2006 as a member of the South Korean boy band Big Bang. He debuted as a solo artist in South Korea with the number one trot song "Look at Me, Gwisoon" in 2008. Since the inception of the Gaon Digital Chart in 2010, Daesung achieved two Top 10 songs, the digital single "Cotton Candy" and "Wings" from the BigBang album Alive (2012).

In 2013, he released his first solo album in Japan, D'scover and embarked on his first Japanese tour. The following year, he released two more albums, D'slove and his first chart-topper, Delight. D'slove Tour made him the first Korean soloist to gather over 100,000 fans for two Japanese tours in a row. In 2017, he held his first solo Japanese dome tour, performing for over 150,000 people from four shows and released his second number one album, D-Day, that made him the second foreign male solo artist to have two consecutive number one albums in Japan after Michael Jackson.

In South Korean television, he was a part of the main cast of the top-rated comedy show Family Outing from 2008 to 2010, the musical drama series What's Up (2011) and was one of the hosts of the talk show Night After Night (2010).