Could this event GET any more star-studded?!
We totally agree when Capital FM describes the lineup as its "most insane" yet! Nick and Rixton are just two more famous names to add to the already very jam-packed bill.
Nick found fame as the youngest member of the Jonas Brothers but is currently flying high as a solo artist thanks to hit single 'Jealous'.
Rixton, meanwhile, scored a massive number one with 'Me And My Broken Heart', were signed by Scooter Braun, the mastemrind behind Justin Bieber, and have just supported Ariana Grande on tour!
Ariana's already on the Summertime Ball lineup alongside the likes of Kelly Clarkson, Flo Rida, Olly Murs, Rita Ora, Little Mix, Jason Derulo and Carly Rae Jepson.
Oh, and One Direction are headlining.
Pretty amazing lineup, right?!
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