Luke Hemmings is an Australian singer and musician, best known as the lead vocalist and rhythm guitarist of the pop rock band 5 Seconds of Summer. Since forming in 2011, the band has become one of Australia's most successful musical exports, with over 10 million albums sold and billions of streams worldwide. Hemmings launched his solo career with the 2021 album When Facing the Things We Turn Away From, which topped the ARIA Albums Chart. In 2024, he released the EP Boy and began his Nostalgia For A Time That Never Existed Tour.