Luke Hemmings (born July 16, 1996) is an Australian musician and the lead guitarist and vocalist of the globally renowned pop-rock band 5 Seconds of Summer (5SOS). As the youngest member of the band formed in Sydney in 2011, he has played a pivotal role in shaping the band's signature sound blending pop, rock, and punk elements. Known for his melodic guitar work and emotive vocals, Hemmings has become one of the most recognizable young figures in contemporary pop music, with 5SOS amassing over ten million album sales worldwide and selling out hundreds of arena tours across the globe.