Machine Gun Kelly (MGK), full name - Colson Baker, is an American rapper & musician. MGK is noted for his compositional blending of contemporary and alternative hip hop with rock.

Machine Gun Kelly released 4 mixtapes between 2007 and 2010 and later signed with Bad Boy Records. MGK released his first studio album, Lace Up, in 2012. Lace Up peaked at number 4 on the US Billboard 200 and contained his breakout single "Wild Boy" ft Waka Flocka Flame. MGK second and third albums, General Admission (2015) and Bloom (2017), achieved similar commercial success. His fourth album, Hotel Diablo (2019), included rap rock.

Machine Gun Kelly released his fifth album, Tickets to My Downfall, in 2020; it marked a complete departure from hip hop and entry into pop punk. The album debuted at number one on the Billboard 200, the only rock album to do so that year, and contained the single "My Ex's Best Friend".