The group, consisting of Aston Merrygold, Marvin Humes, JB Gill and Oritsé Williams, have currently sold over 6 million records worldwide and join The Spice Girls and Take That as one of three British bands to sell out ten dates at the O2 arena.
JLS were also the first X Factor act to win a Brit award and currently have five UK number one singles under their belts; more than any other act from reality TV.
Digital Spy has four pairs of tickets to the iTunes Festival to give away on September 6, where JLS will perform following support act Conor Maynard. To be in with a chance of winning, follow these two simple steps:
Step One: Follow our Twitter account: @digitalspy
Step Two: Answer the following question by clicking on the correct answer:
This competition is now closed.
This competition will close on Friday, August 24 at midday and is open to residents of the UK who are 14 and over.
Winners will be required to attend the Venue, with photo ID, on the day of the Event, in order to claim their Prizes. Doors open at a time to be communicated to the winner upon delivery of the tickets. Any winners who do not arrive by the designated time will not be guaranteed entry.
The Event may be filmed, so winners may be recorded and filmed, and have their voices and likenesses used in recordings and films for commercial purposes on a worldwide royalty free basis.
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