JLS (initialism for Jack the Lad Swing) are a British boy band consisting of members Aston Merrygold, Oritsé Williams, Marvin Humes, and JB Gill; Williams formed the band. They initially signed with Tracklacers production company New Track City and were the runners-up of the fifth series of the ITV reality talent show The X Factor in 2008, coming in second to Alexandra Burke. After their appearance on The X Factor, JLS signed to Epic Records. Their first two singles "Beat... [more on Wikipedia]