The Chainsmokers are an American DJ duo consisting of Andrew Taggart and Alex Pall. The duo had a hit in two countries with their 2014 single "#Selfie", which peaked at number sixteen on the Billboard Hot 100 and number eleven in the United Kingdom.
Several singles such as "Roses" and "Don't Let Me Down". became top-ten singles on the Hot 100 in the USA. They released their debut EP, Bouquet, in October 2015. Their single "Closer", featuring vocals from Halsey became their first number-one single on both the Billboard Hot 100 and in the United Kingdom, having stayed in the top place for five weeks as of September 20, 2016.