Aston Merrygold is best known as a member of JLS - one of the most successful ever acts from the X-Factor. JLS have achieved five number one singles and a number one album - and sold more than 10 million records, making them one of the most successful British boy bands. They disbanded in 2013, before reuniting in 2020 with a huge sellout tour. In this episode we go behind the scenes of what it was actually like auditioning and filming the X-Factor.