What year was the debut single of the singer of "3am (Pull Up)"?
3AM (Pull Up): "3am (Pull Up)" is a song recorded by English singer-songwriter Charli XCX, written for her mixtape "Number 1 Angel" (2017). Charli XCX: Charlotte Emma Aitchison (born 2 August 1992), better known by her stage name Charli XCX, is a British singer and songwriter. Charli XCX:  She released her debut single independently in 2008 and initially performed at warehouse raves in London.
2008